Home / 5,380.24-8,070.38-1,484.96

Finding the Fourth Proportional to 5,380.24, 8,070.38 and 1,484.96

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Solution

The fourth proportional to 5,380.24, 8,070.38 and 1,484.96 is: 2,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.24 : 8,070.38 = 1,484.96 : x
  2. Step 2: Convert to fraction form
    5,380.24/8,070.38 = 1,484.96/x
  3. Step 3: Cross multiply
    5,380.24x = 8,070.38 × 1,484.96
  4. Step 4: Simplify right side
    5,380.24x = 11,984,191.48
  5. Step 5: Solve for x
    x = 11,984,191.48/5,380.24
  6. Step 6: Final answer
    x = 2,227.45

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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.