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Finding the Fourth Proportional to 6,605, 9,114.90 and 3,952.52

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Solution

The fourth proportional to 6,605, 9,114.90 and 3,952.52 is: 5,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605 : 9,114.90 = 3,952.52 : x
  2. Step 2: Convert to fraction form
    6,605/9,114.90 = 3,952.52/x
  3. Step 3: Cross multiply
    6,605x = 9,114.90 × 3,952.52
  4. Step 4: Simplify right side
    6,605x = 36,026,824.55
  5. Step 5: Solve for x
    x = 36,026,824.55/6,605
  6. Step 6: Final answer
    x = 5,454.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.