Home / 7,962.40-10,988.11-4,425.62

Finding the Fourth Proportional to 7,962.40, 10,988.11 and 4,425.62

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Solution

The fourth proportional to 7,962.40, 10,988.11 and 4,425.62 is: 6,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.40 : 10,988.11 = 4,425.62 : x
  2. Step 2: Convert to fraction form
    7,962.40/10,988.11 = 4,425.62/x
  3. Step 3: Cross multiply
    7,962.40x = 10,988.11 × 4,425.62
  4. Step 4: Simplify right side
    7,962.40x = 48,629,149.97
  5. Step 5: Solve for x
    x = 48,629,149.97/7,962.40
  6. Step 6: Final answer
    x = 6,107.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.