Home / 10,549.20-15,824.70-2,758

Finding the Fourth Proportional to 10,549.20, 15,824.70 and 2,758

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Solution

The fourth proportional to 10,549.20, 15,824.70 and 2,758 is: 4,137.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.20 : 15,824.70 = 2,758 : x
  2. Step 2: Convert to fraction form
    10,549.20/15,824.70 = 2,758/x
  3. Step 3: Cross multiply
    10,549.20x = 15,824.70 × 2,758
  4. Step 4: Simplify right side
    10,549.20x = 43,644,522.60
  5. Step 5: Solve for x
    x = 43,644,522.60/10,549.20
  6. Step 6: Final answer
    x = 4,137.24

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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.