Home / 6,431.24-8,862.27-5,423.02

Finding the Fourth Proportional to 6,431.24, 8,862.27 and 5,423.02

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Solution

The fourth proportional to 6,431.24, 8,862.27 and 5,423.02 is: 7,472.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.24 : 8,862.27 = 5,423.02 : x
  2. Step 2: Convert to fraction form
    6,431.24/8,862.27 = 5,423.02/x
  3. Step 3: Cross multiply
    6,431.24x = 8,862.27 × 5,423.02
  4. Step 4: Simplify right side
    6,431.24x = 48,060,267.46
  5. Step 5: Solve for x
    x = 48,060,267.46/6,431.24
  6. Step 6: Final answer
    x = 7,472.94

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Half scale
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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.