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Finding the Fourth Proportional to 10,350.80, 15,526.80 and 2,955.80

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Solution

The fourth proportional to 10,350.80, 15,526.80 and 2,955.80 is: 4,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.80 : 15,526.80 = 2,955.80 : x
  2. Step 2: Convert to fraction form
    10,350.80/15,526.80 = 2,955.80/x
  3. Step 3: Cross multiply
    10,350.80x = 15,526.80 × 2,955.80
  4. Step 4: Simplify right side
    10,350.80x = 45,894,115.44
  5. Step 5: Solve for x
    x = 45,894,115.44/10,350.80
  6. Step 6: Final answer
    x = 4,433.87

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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.