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Finding the Fourth Proportional to 6,391.38, 9,602.63 and 6,037.31

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Solution

The fourth proportional to 6,391.38, 9,602.63 and 6,037.31 is: 9,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.38 : 9,602.63 = 6,037.31 : x
  2. Step 2: Convert to fraction form
    6,391.38/9,602.63 = 6,037.31/x
  3. Step 3: Cross multiply
    6,391.38x = 9,602.63 × 6,037.31
  4. Step 4: Simplify right side
    6,391.38x = 57,974,026.60
  5. Step 5: Solve for x
    x = 57,974,026.60/6,391.38
  6. Step 6: Final answer
    x = 9,070.66

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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.