Home / 7,962.39-10,988.10-4,425.93

Finding the Fourth Proportional to 7,962.39, 10,988.10 and 4,425.93

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Solution

The fourth proportional to 7,962.39, 10,988.10 and 4,425.93 is: 6,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.39 : 10,988.10 = 4,425.93 : x
  2. Step 2: Convert to fraction form
    7,962.39/10,988.10 = 4,425.93/x
  3. Step 3: Cross multiply
    7,962.39x = 10,988.10 × 4,425.93
  4. Step 4: Simplify right side
    7,962.39x = 48,632,561.43
  5. Step 5: Solve for x
    x = 48,632,561.43/7,962.39
  6. Step 6: Final answer
    x = 6,107.78

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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.