Home / 5,574.20-7,691.64-3,587.42

Finding the Fourth Proportional to 5,574.20, 7,691.64 and 3,587.42

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Solution

The fourth proportional to 5,574.20, 7,691.64 and 3,587.42 is: 4,950.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.20 : 7,691.64 = 3,587.42 : x
  2. Step 2: Convert to fraction form
    5,574.20/7,691.64 = 3,587.42/x
  3. Step 3: Cross multiply
    5,574.20x = 7,691.64 × 3,587.42
  4. Step 4: Simplify right side
    5,574.20x = 27,593,143.17
  5. Step 5: Solve for x
    x = 27,593,143.17/5,574.20
  6. Step 6: Final answer
    x = 4,950.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.