Home / 5,426.24-8,139.18-3,672.06

Finding the Fourth Proportional to 5,426.24, 8,139.18 and 3,672.06

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Solution

The fourth proportional to 5,426.24, 8,139.18 and 3,672.06 is: 5,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.24 : 8,139.18 = 3,672.06 : x
  2. Step 2: Convert to fraction form
    5,426.24/8,139.18 = 3,672.06/x
  3. Step 3: Cross multiply
    5,426.24x = 8,139.18 × 3,672.06
  4. Step 4: Simplify right side
    5,426.24x = 29,887,557.31
  5. Step 5: Solve for x
    x = 29,887,557.31/5,426.24
  6. Step 6: Final answer
    x = 5,507.97

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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.