Home / 8,400.28-11,592.36-4,863.76

Finding the Fourth Proportional to 8,400.28, 11,592.36 and 4,863.76

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Solution

The fourth proportional to 8,400.28, 11,592.36 and 4,863.76 is: 6,711.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.28 : 11,592.36 = 4,863.76 : x
  2. Step 2: Convert to fraction form
    8,400.28/11,592.36 = 4,863.76/x
  3. Step 3: Cross multiply
    8,400.28x = 11,592.36 × 4,863.76
  4. Step 4: Simplify right side
    8,400.28x = 56,382,456.87
  5. Step 5: Solve for x
    x = 56,382,456.87/8,400.28
  6. Step 6: Final answer
    x = 6,711.97

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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.