Home / 7,915.04-11,862.07-4,209.29

Finding the Fourth Proportional to 7,915.04, 11,862.07 and 4,209.29

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Solution

The fourth proportional to 7,915.04, 11,862.07 and 4,209.29 is: 6,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915.04 : 11,862.07 = 4,209.29 : x
  2. Step 2: Convert to fraction form
    7,915.04/11,862.07 = 4,209.29/x
  3. Step 3: Cross multiply
    7,915.04x = 11,862.07 × 4,209.29
  4. Step 4: Simplify right side
    7,915.04x = 49,930,822.80
  5. Step 5: Solve for x
    x = 49,930,822.80/7,915.04
  6. Step 6: Final answer
    x = 6,308.35

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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.