Home / 5,569.22-7,686.36-3,179.18

Finding the Fourth Proportional to 5,569.22, 7,686.36 and 3,179.18

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Solution

The fourth proportional to 5,569.22, 7,686.36 and 3,179.18 is: 4,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.22 : 7,686.36 = 3,179.18 : x
  2. Step 2: Convert to fraction form
    5,569.22/7,686.36 = 3,179.18/x
  3. Step 3: Cross multiply
    5,569.22x = 7,686.36 × 3,179.18
  4. Step 4: Simplify right side
    5,569.22x = 24,436,283.55
  5. Step 5: Solve for x
    x = 24,436,283.55/5,569.22
  6. Step 6: Final answer
    x = 4,387.74

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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.