Home / 6,897.04-9,517.64-3,753.12

Finding the Fourth Proportional to 6,897.04, 9,517.64 and 3,753.12

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Solution

The fourth proportional to 6,897.04, 9,517.64 and 3,753.12 is: 5,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.04 : 9,517.64 = 3,753.12 : x
  2. Step 2: Convert to fraction form
    6,897.04/9,517.64 = 3,753.12/x
  3. Step 3: Cross multiply
    6,897.04x = 9,517.64 × 3,753.12
  4. Step 4: Simplify right side
    6,897.04x = 35,720,845.04
  5. Step 5: Solve for x
    x = 35,720,845.04/6,897.04
  6. Step 6: Final answer
    x = 5,179.16

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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.