Home / 5,686.25-8,515.13-3,599.96

Finding the Fourth Proportional to 5,686.25, 8,515.13 and 3,599.96

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Solution

The fourth proportional to 5,686.25, 8,515.13 and 3,599.96 is: 5,390.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.25 : 8,515.13 = 3,599.96 : x
  2. Step 2: Convert to fraction form
    5,686.25/8,515.13 = 3,599.96/x
  3. Step 3: Cross multiply
    5,686.25x = 8,515.13 × 3,599.96
  4. Step 4: Simplify right side
    5,686.25x = 30,654,066.82
  5. Step 5: Solve for x
    x = 30,654,066.82/5,686.25
  6. Step 6: Final answer
    x = 5,390.92

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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.