Home / 8,400.32-11,591.52-4,862.96

Finding the Fourth Proportional to 8,400.32, 11,591.52 and 4,862.96

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Solution

The fourth proportional to 8,400.32, 11,591.52 and 4,862.96 is: 6,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.32 : 11,591.52 = 4,862.96 : x
  2. Step 2: Convert to fraction form
    8,400.32/11,591.52 = 4,862.96/x
  3. Step 3: Cross multiply
    8,400.32x = 11,591.52 × 4,862.96
  4. Step 4: Simplify right side
    8,400.32x = 56,369,098.10
  5. Step 5: Solve for x
    x = 56,369,098.10/8,400.32
  6. Step 6: Final answer
    x = 6,710.35

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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.