Home / 5,439.20-8,153.16-3,248.96

Finding the Fourth Proportional to 5,439.20, 8,153.16 and 3,248.96

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Solution

The fourth proportional to 5,439.20, 8,153.16 and 3,248.96 is: 4,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.20 : 8,153.16 = 3,248.96 : x
  2. Step 2: Convert to fraction form
    5,439.20/8,153.16 = 3,248.96/x
  3. Step 3: Cross multiply
    5,439.20x = 8,153.16 × 3,248.96
  4. Step 4: Simplify right side
    5,439.20x = 26,489,290.71
  5. Step 5: Solve for x
    x = 26,489,290.71/5,439.20
  6. Step 6: Final answer
    x = 4,870.07

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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.