Home / 5,380.48-8,070.72-1,484.92

Finding the Fourth Proportional to 5,380.48, 8,070.72 and 1,484.92

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Solution

The fourth proportional to 5,380.48, 8,070.72 and 1,484.92 is: 2,227.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.48 : 8,070.72 = 1,484.92 : x
  2. Step 2: Convert to fraction form
    5,380.48/8,070.72 = 1,484.92/x
  3. Step 3: Cross multiply
    5,380.48x = 8,070.72 × 1,484.92
  4. Step 4: Simplify right side
    5,380.48x = 11,984,373.54
  5. Step 5: Solve for x
    x = 11,984,373.54/5,380.48
  6. Step 6: Final answer
    x = 2,227.38

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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.