Home / 7,962.82-10,988.22-4,425.91

Finding the Fourth Proportional to 7,962.82, 10,988.22 and 4,425.91

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Solution

The fourth proportional to 7,962.82, 10,988.22 and 4,425.91 is: 6,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.82 : 10,988.22 = 4,425.91 : x
  2. Step 2: Convert to fraction form
    7,962.82/10,988.22 = 4,425.91/x
  3. Step 3: Cross multiply
    7,962.82x = 10,988.22 × 4,425.91
  4. Step 4: Simplify right side
    7,962.82x = 48,632,872.78
  5. Step 5: Solve for x
    x = 48,632,872.78/7,962.82
  6. Step 6: Final answer
    x = 6,107.49

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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.