Home / 5,560.40-7,669.92-3,672.08

Finding the Fourth Proportional to 5,560.40, 7,669.92 and 3,672.08

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Solution

The fourth proportional to 5,560.40, 7,669.92 and 3,672.08 is: 5,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.40 : 7,669.92 = 3,672.08 : x
  2. Step 2: Convert to fraction form
    5,560.40/7,669.92 = 3,672.08/x
  3. Step 3: Cross multiply
    5,560.40x = 7,669.92 × 3,672.08
  4. Step 4: Simplify right side
    5,560.40x = 28,164,559.83
  5. Step 5: Solve for x
    x = 28,164,559.83/5,560.40
  6. Step 6: Final answer
    x = 5,065.20

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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.