Home / 5,569.24-7,686.36-3,179.20

Finding the Fourth Proportional to 5,569.24, 7,686.36 and 3,179.20

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Solution

The fourth proportional to 5,569.24, 7,686.36 and 3,179.20 is: 4,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.24 : 7,686.36 = 3,179.20 : x
  2. Step 2: Convert to fraction form
    5,569.24/7,686.36 = 3,179.20/x
  3. Step 3: Cross multiply
    5,569.24x = 7,686.36 × 3,179.20
  4. Step 4: Simplify right side
    5,569.24x = 24,436,475.71
  5. Step 5: Solve for x
    x = 24,436,475.71/5,569.24
  6. Step 6: Final answer
    x = 4,387.76

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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.