Home / 9,485.10-14,227.65-4,220.10

Finding the Fourth Proportional to 9,485.10, 14,227.65 and 4,220.10

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Solution

The fourth proportional to 9,485.10, 14,227.65 and 4,220.10 is: 6,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485.10 : 14,227.65 = 4,220.10 : x
  2. Step 2: Convert to fraction form
    9,485.10/14,227.65 = 4,220.10/x
  3. Step 3: Cross multiply
    9,485.10x = 14,227.65 × 4,220.10
  4. Step 4: Simplify right side
    9,485.10x = 60,042,105.77
  5. Step 5: Solve for x
    x = 60,042,105.77/9,485.10
  6. Step 6: Final answer
    x = 6,330.15

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Half scale
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Double scale
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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.