Home / 5,439.04-8,158.48-1,335.04

Finding the Fourth Proportional to 5,439.04, 8,158.48 and 1,335.04

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Solution

The fourth proportional to 5,439.04, 8,158.48 and 1,335.04 is: 2,002.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.04 : 8,158.48 = 1,335.04 : x
  2. Step 2: Convert to fraction form
    5,439.04/8,158.48 = 1,335.04/x
  3. Step 3: Cross multiply
    5,439.04x = 8,158.48 × 1,335.04
  4. Step 4: Simplify right side
    5,439.04x = 10,891,897.14
  5. Step 5: Solve for x
    x = 10,891,897.14/5,439.04
  6. Step 6: Final answer
    x = 2,002.54

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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.