Home / 7,962.60-10,988.74-4,425.72

Finding the Fourth Proportional to 7,962.60, 10,988.74 and 4,425.72

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Solution

The fourth proportional to 7,962.60, 10,988.74 and 4,425.72 is: 6,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.60 : 10,988.74 = 4,425.72 : x
  2. Step 2: Convert to fraction form
    7,962.60/10,988.74 = 4,425.72/x
  3. Step 3: Cross multiply
    7,962.60x = 10,988.74 × 4,425.72
  4. Step 4: Simplify right side
    7,962.60x = 48,633,086.39
  5. Step 5: Solve for x
    x = 48,633,086.39/7,962.60
  6. Step 6: Final answer
    x = 6,107.69

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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.