Home / 5,380.32-8,070.64-1,484.73

Finding the Fourth Proportional to 5,380.32, 8,070.64 and 1,484.73

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Solution

The fourth proportional to 5,380.32, 8,070.64 and 1,484.73 is: 2,227.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.32 : 8,070.64 = 1,484.73 : x
  2. Step 2: Convert to fraction form
    5,380.32/8,070.64 = 1,484.73/x
  3. Step 3: Cross multiply
    5,380.32x = 8,070.64 × 1,484.73
  4. Step 4: Simplify right side
    5,380.32x = 11,982,717.62
  5. Step 5: Solve for x
    x = 11,982,717.62/5,380.32
  6. Step 6: Final answer
    x = 2,227.14

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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.