Home / 6,127.52-9,190.77-1,966.40

Finding the Fourth Proportional to 6,127.52, 9,190.77 and 1,966.40

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Solution

The fourth proportional to 6,127.52, 9,190.77 and 1,966.40 is: 2,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.52 : 9,190.77 = 1,966.40 : x
  2. Step 2: Convert to fraction form
    6,127.52/9,190.77 = 1,966.40/x
  3. Step 3: Cross multiply
    6,127.52x = 9,190.77 × 1,966.40
  4. Step 4: Simplify right side
    6,127.52x = 18,072,711.27
  5. Step 5: Solve for x
    x = 18,072,711.27/6,127.52
  6. Step 6: Final answer
    x = 2,949.43

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Double scale
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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.