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Finding the Fourth Proportional to 6,606.98, 9,911.50 and 2,224.10

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Solution

The fourth proportional to 6,606.98, 9,911.50 and 2,224.10 is: 3,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.98 : 9,911.50 = 2,224.10 : x
  2. Step 2: Convert to fraction form
    6,606.98/9,911.50 = 2,224.10/x
  3. Step 3: Cross multiply
    6,606.98x = 9,911.50 × 2,224.10
  4. Step 4: Simplify right side
    6,606.98x = 22,044,167.15
  5. Step 5: Solve for x
    x = 22,044,167.15/6,606.98
  6. Step 6: Final answer
    x = 3,336.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 6,607.98, 9,913 and 2,225.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.