Home / 7,126.12-10,677.98-5,480.68

Finding the Fourth Proportional to 7,126.12, 10,677.98 and 5,480.68

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Solution

The fourth proportional to 7,126.12, 10,677.98 and 5,480.68 is: 8,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.12 : 10,677.98 = 5,480.68 : x
  2. Step 2: Convert to fraction form
    7,126.12/10,677.98 = 5,480.68/x
  3. Step 3: Cross multiply
    7,126.12x = 10,677.98 × 5,480.68
  4. Step 4: Simplify right side
    7,126.12x = 58,522,591.43
  5. Step 5: Solve for x
    x = 58,522,591.43/7,126.12
  6. Step 6: Final answer
    x = 8,212.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.