Home / 9,114.28-13,677.20-5,226.28

Finding the Fourth Proportional to 9,114.28, 13,677.20 and 5,226.28

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Solution

The fourth proportional to 9,114.28, 13,677.20 and 5,226.28 is: 7,842.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.28 : 13,677.20 = 5,226.28 : x
  2. Step 2: Convert to fraction form
    9,114.28/13,677.20 = 5,226.28/x
  3. Step 3: Cross multiply
    9,114.28x = 13,677.20 × 5,226.28
  4. Step 4: Simplify right side
    9,114.28x = 71,480,876.82
  5. Step 5: Solve for x
    x = 71,480,876.82/9,114.28
  6. Step 6: Final answer
    x = 7,842.73

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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.