Home / 5,560.50-7,669.95-3,881.30

Finding the Fourth Proportional to 5,560.50, 7,669.95 and 3,881.30

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Solution

The fourth proportional to 5,560.50, 7,669.95 and 3,881.30 is: 5,353.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.50 : 7,669.95 = 3,881.30 : x
  2. Step 2: Convert to fraction form
    5,560.50/7,669.95 = 3,881.30/x
  3. Step 3: Cross multiply
    5,560.50x = 7,669.95 × 3,881.30
  4. Step 4: Simplify right side
    5,560.50x = 29,769,378.29
  5. Step 5: Solve for x
    x = 29,769,378.29/5,560.50
  6. Step 6: Final answer
    x = 5,353.72

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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.