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Finding the Fourth Proportional to 6,646.62, 9,970.74 and 2,753.76

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Solution

The fourth proportional to 6,646.62, 9,970.74 and 2,753.76 is: 4,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.62 : 9,970.74 = 2,753.76 : x
  2. Step 2: Convert to fraction form
    6,646.62/9,970.74 = 2,753.76/x
  3. Step 3: Cross multiply
    6,646.62x = 9,970.74 × 2,753.76
  4. Step 4: Simplify right side
    6,646.62x = 27,457,024.98
  5. Step 5: Solve for x
    x = 27,457,024.98/6,646.62
  6. Step 6: Final answer
    x = 4,130.98

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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.