Home / 4,454.24-6,682.89-1,990.76

Finding the Fourth Proportional to 4,454.24, 6,682.89 and 1,990.76

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Solution

The fourth proportional to 4,454.24, 6,682.89 and 1,990.76 is: 2,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.24 : 6,682.89 = 1,990.76 : x
  2. Step 2: Convert to fraction form
    4,454.24/6,682.89 = 1,990.76/x
  3. Step 3: Cross multiply
    4,454.24x = 6,682.89 × 1,990.76
  4. Step 4: Simplify right side
    4,454.24x = 13,304,030.10
  5. Step 5: Solve for x
    x = 13,304,030.10/4,454.24
  6. Step 6: Final answer
    x = 2,986.82

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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.