Home / 5,426.11-8,139.17-1,963.36

Finding the Fourth Proportional to 5,426.11, 8,139.17 and 1,963.36

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Solution

The fourth proportional to 5,426.11, 8,139.17 and 1,963.36 is: 2,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.11 : 8,139.17 = 1,963.36 : x
  2. Step 2: Convert to fraction form
    5,426.11/8,139.17 = 1,963.36/x
  3. Step 3: Cross multiply
    5,426.11x = 8,139.17 × 1,963.36
  4. Step 4: Simplify right side
    5,426.11x = 15,980,120.81
  5. Step 5: Solve for x
    x = 15,980,120.81/5,426.11
  6. Step 6: Final answer
    x = 2,945.04

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Double scale
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Similar ratio
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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.