Home / 7,962.30-10,987.92-4,425.57

Finding the Fourth Proportional to 7,962.30, 10,987.92 and 4,425.57

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Solution

The fourth proportional to 7,962.30, 10,987.92 and 4,425.57 is: 6,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.30 : 10,987.92 = 4,425.57 : x
  2. Step 2: Convert to fraction form
    7,962.30/10,987.92 = 4,425.57/x
  3. Step 3: Cross multiply
    7,962.30x = 10,987.92 × 4,425.57
  4. Step 4: Simplify right side
    7,962.30x = 48,627,809.11
  5. Step 5: Solve for x
    x = 48,627,809.11/7,962.30
  6. Step 6: Final answer
    x = 6,107.26

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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.