Home / 6,113.28-9,178.48-3,154.24

Finding the Fourth Proportional to 6,113.28, 9,178.48 and 3,154.24

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Solution

The fourth proportional to 6,113.28, 9,178.48 and 3,154.24 is: 4,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.28 : 9,178.48 = 3,154.24 : x
  2. Step 2: Convert to fraction form
    6,113.28/9,178.48 = 3,154.24/x
  3. Step 3: Cross multiply
    6,113.28x = 9,178.48 × 3,154.24
  4. Step 4: Simplify right side
    6,113.28x = 28,951,128.76
  5. Step 5: Solve for x
    x = 28,951,128.76/6,113.28
  6. Step 6: Final answer
    x = 4,735.78

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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.