Home / 5,915.28-8,874.96-2,630.68

Finding the Fourth Proportional to 5,915.28, 8,874.96 and 2,630.68

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Solution

The fourth proportional to 5,915.28, 8,874.96 and 2,630.68 is: 3,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.28 : 8,874.96 = 2,630.68 : x
  2. Step 2: Convert to fraction form
    5,915.28/8,874.96 = 2,630.68/x
  3. Step 3: Cross multiply
    5,915.28x = 8,874.96 × 2,630.68
  4. Step 4: Simplify right side
    5,915.28x = 23,347,179.77
  5. Step 5: Solve for x
    x = 23,347,179.77/5,915.28
  6. Step 6: Final answer
    x = 3,946.93

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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.