Home / 6,139.28-9,218.30-5,886.56

Finding the Fourth Proportional to 6,139.28, 9,218.30 and 5,886.56

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Solution

The fourth proportional to 6,139.28, 9,218.30 and 5,886.56 is: 8,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.28 : 9,218.30 = 5,886.56 : x
  2. Step 2: Convert to fraction form
    6,139.28/9,218.30 = 5,886.56/x
  3. Step 3: Cross multiply
    6,139.28x = 9,218.30 × 5,886.56
  4. Step 4: Simplify right side
    6,139.28x = 54,264,000.52
  5. Step 5: Solve for x
    x = 54,264,000.52/6,139.28
  6. Step 6: Final answer
    x = 8,838.83

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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.