Home / 10,561.60-15,841.20-2,771.02

Finding the Fourth Proportional to 10,561.60, 15,841.20 and 2,771.02

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Solution

The fourth proportional to 10,561.60, 15,841.20 and 2,771.02 is: 4,156.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.60 : 15,841.20 = 2,771.02 : x
  2. Step 2: Convert to fraction form
    10,561.60/15,841.20 = 2,771.02/x
  3. Step 3: Cross multiply
    10,561.60x = 15,841.20 × 2,771.02
  4. Step 4: Simplify right side
    10,561.60x = 43,896,282.02
  5. Step 5: Solve for x
    x = 43,896,282.02/10,561.60
  6. Step 6: Final answer
    x = 4,156.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.