Home / 8,057.12-12,082.64-3,895.74

Finding the Fourth Proportional to 8,057.12, 12,082.64 and 3,895.74

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Solution

The fourth proportional to 8,057.12, 12,082.64 and 3,895.74 is: 5,842.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.12 : 12,082.64 = 3,895.74 : x
  2. Step 2: Convert to fraction form
    8,057.12/12,082.64 = 3,895.74/x
  3. Step 3: Cross multiply
    8,057.12x = 12,082.64 × 3,895.74
  4. Step 4: Simplify right side
    8,057.12x = 47,070,804.47
  5. Step 5: Solve for x
    x = 47,070,804.47/8,057.12
  6. Step 6: Final answer
    x = 5,842.14

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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.