Home / 4,302.43-6,449.28-2,915.90

Finding the Fourth Proportional to 4,302.43, 6,449.28 and 2,915.90

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Solution

The fourth proportional to 4,302.43, 6,449.28 and 2,915.90 is: 4,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,302.43 : 6,449.28 = 2,915.90 : x
  2. Step 2: Convert to fraction form
    4,302.43/6,449.28 = 2,915.90/x
  3. Step 3: Cross multiply
    4,302.43x = 6,449.28 × 2,915.90
  4. Step 4: Simplify right side
    4,302.43x = 18,805,455.55
  5. Step 5: Solve for x
    x = 18,805,455.55/4,302.43
  6. Step 6: Final answer
    x = 4,370.89

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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.