Home / 8,701.52-13,056.78-4,318.88

Finding the Fourth Proportional to 8,701.52, 13,056.78 and 4,318.88

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Solution

The fourth proportional to 8,701.52, 13,056.78 and 4,318.88 is: 6,480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.52 : 13,056.78 = 4,318.88 : x
  2. Step 2: Convert to fraction form
    8,701.52/13,056.78 = 4,318.88/x
  3. Step 3: Cross multiply
    8,701.52x = 13,056.78 × 4,318.88
  4. Step 4: Simplify right side
    8,701.52x = 56,390,666.01
  5. Step 5: Solve for x
    x = 56,390,666.01/8,701.52
  6. Step 6: Final answer
    x = 6,480.55

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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.