Home / 8,840.27-13,257.57-2,915.83

Finding the Fourth Proportional to 8,840.27, 13,257.57 and 2,915.83

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Solution

The fourth proportional to 8,840.27, 13,257.57 and 2,915.83 is: 4,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.27 : 13,257.57 = 2,915.83 : x
  2. Step 2: Convert to fraction form
    8,840.27/13,257.57 = 2,915.83/x
  3. Step 3: Cross multiply
    8,840.27x = 13,257.57 × 2,915.83
  4. Step 4: Simplify right side
    8,840.27x = 38,656,819.87
  5. Step 5: Solve for x
    x = 38,656,819.87/8,840.27
  6. Step 6: Final answer
    x = 4,372.81

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1.5x scale

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.