Home / 5,681.20-8,520.24-3,598.08

Finding the Fourth Proportional to 5,681.20, 8,520.24 and 3,598.08

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Solution

The fourth proportional to 5,681.20, 8,520.24 and 3,598.08 is: 5,396.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.20 : 8,520.24 = 3,598.08 : x
  2. Step 2: Convert to fraction form
    5,681.20/8,520.24 = 3,598.08/x
  3. Step 3: Cross multiply
    5,681.20x = 8,520.24 × 3,598.08
  4. Step 4: Simplify right side
    5,681.20x = 30,656,505.14
  5. Step 5: Solve for x
    x = 30,656,505.14/5,681.20
  6. Step 6: Final answer
    x = 5,396.13

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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.