Home / 9,126.11-12,595.32-5,542.88

Finding the Fourth Proportional to 9,126.11, 12,595.32 and 5,542.88

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Solution

The fourth proportional to 9,126.11, 12,595.32 and 5,542.88 is: 7,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.11 : 12,595.32 = 5,542.88 : x
  2. Step 2: Convert to fraction form
    9,126.11/12,595.32 = 5,542.88/x
  3. Step 3: Cross multiply
    9,126.11x = 12,595.32 × 5,542.88
  4. Step 4: Simplify right side
    9,126.11x = 69,814,284.35
  5. Step 5: Solve for x
    x = 69,814,284.35/9,126.11
  6. Step 6: Final answer
    x = 7,649.95

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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.