Home / 10,577.60-15,865.20-2,787.02

Finding the Fourth Proportional to 10,577.60, 15,865.20 and 2,787.02

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Solution

The fourth proportional to 10,577.60, 15,865.20 and 2,787.02 is: 4,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577.60 : 15,865.20 = 2,787.02 : x
  2. Step 2: Convert to fraction form
    10,577.60/15,865.20 = 2,787.02/x
  3. Step 3: Cross multiply
    10,577.60x = 15,865.20 × 2,787.02
  4. Step 4: Simplify right side
    10,577.60x = 44,216,629.70
  5. Step 5: Solve for x
    x = 44,216,629.70/10,577.60
  6. Step 6: Final answer
    x = 4,180.21

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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.