Home / 6,377.88-9,562.20-1,992.96

Finding the Fourth Proportional to 6,377.88, 9,562.20 and 1,992.96

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Solution

The fourth proportional to 6,377.88, 9,562.20 and 1,992.96 is: 2,988.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.88 : 9,562.20 = 1,992.96 : x
  2. Step 2: Convert to fraction form
    6,377.88/9,562.20 = 1,992.96/x
  3. Step 3: Cross multiply
    6,377.88x = 9,562.20 × 1,992.96
  4. Step 4: Simplify right side
    6,377.88x = 19,057,082.11
  5. Step 5: Solve for x
    x = 19,057,082.11/6,377.88
  6. Step 6: Final answer
    x = 2,988.00

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1.5x scale

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.