Home / 8,560.28-12,838.46-3,877.16

Finding the Fourth Proportional to 8,560.28, 12,838.46 and 3,877.16

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Solution

The fourth proportional to 8,560.28, 12,838.46 and 3,877.16 is: 5,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.28 : 12,838.46 = 3,877.16 : x
  2. Step 2: Convert to fraction form
    8,560.28/12,838.46 = 3,877.16/x
  3. Step 3: Cross multiply
    8,560.28x = 12,838.46 × 3,877.16
  4. Step 4: Simplify right side
    8,560.28x = 49,776,709.07
  5. Step 5: Solve for x
    x = 49,776,709.07/8,560.28
  6. Step 6: Final answer
    x = 5,814.85

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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.