Home / 5,380.28-8,070.89-1,484.69

Finding the Fourth Proportional to 5,380.28, 8,070.89 and 1,484.69

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Solution

The fourth proportional to 5,380.28, 8,070.89 and 1,484.69 is: 2,227.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.28 : 8,070.89 = 1,484.69 : x
  2. Step 2: Convert to fraction form
    5,380.28/8,070.89 = 1,484.69/x
  3. Step 3: Cross multiply
    5,380.28x = 8,070.89 × 1,484.69
  4. Step 4: Simplify right side
    5,380.28x = 11,982,757.73
  5. Step 5: Solve for x
    x = 11,982,757.73/5,380.28
  6. Step 6: Final answer
    x = 2,227.16

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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.