Home / 10,644.28-15,966.42-2,852.89

Finding the Fourth Proportional to 10,644.28, 15,966.42 and 2,852.89

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Solution

The fourth proportional to 10,644.28, 15,966.42 and 2,852.89 is: 4,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.28 : 15,966.42 = 2,852.89 : x
  2. Step 2: Convert to fraction form
    10,644.28/15,966.42 = 2,852.89/x
  3. Step 3: Cross multiply
    10,644.28x = 15,966.42 × 2,852.89
  4. Step 4: Simplify right side
    10,644.28x = 45,550,439.95
  5. Step 5: Solve for x
    x = 45,550,439.95/10,644.28
  6. Step 6: Final answer
    x = 4,279.34

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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.