Home / 10,577.79-15,866.55-3,181.95

Finding the Fourth Proportional to 10,577.79, 15,866.55 and 3,181.95

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Solution

The fourth proportional to 10,577.79, 15,866.55 and 3,181.95 is: 4,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577.79 : 15,866.55 = 3,181.95 : x
  2. Step 2: Convert to fraction form
    10,577.79/15,866.55 = 3,181.95/x
  3. Step 3: Cross multiply
    10,577.79x = 15,866.55 × 3,181.95
  4. Step 4: Simplify right side
    10,577.79x = 50,486,568.77
  5. Step 5: Solve for x
    x = 50,486,568.77/10,577.79
  6. Step 6: Final answer
    x = 4,772.88

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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.