Home / 5,399.30-8,098.96-1,503.20

Finding the Fourth Proportional to 5,399.30, 8,098.96 and 1,503.20

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Solution

The fourth proportional to 5,399.30, 8,098.96 and 1,503.20 is: 2,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.30 : 8,098.96 = 1,503.20 : x
  2. Step 2: Convert to fraction form
    5,399.30/8,098.96 = 1,503.20/x
  3. Step 3: Cross multiply
    5,399.30x = 8,098.96 × 1,503.20
  4. Step 4: Simplify right side
    5,399.30x = 12,174,356.67
  5. Step 5: Solve for x
    x = 12,174,356.67/5,399.30
  6. Step 6: Final answer
    x = 2,254.80

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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.