Home / 7,682.28-11,521.02-2,487.08

Finding the Fourth Proportional to 7,682.28, 11,521.02 and 2,487.08

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Solution

The fourth proportional to 7,682.28, 11,521.02 and 2,487.08 is: 3,729.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.28 : 11,521.02 = 2,487.08 : x
  2. Step 2: Convert to fraction form
    7,682.28/11,521.02 = 2,487.08/x
  3. Step 3: Cross multiply
    7,682.28x = 11,521.02 × 2,487.08
  4. Step 4: Simplify right side
    7,682.28x = 28,653,698.42
  5. Step 5: Solve for x
    x = 28,653,698.42/7,682.28
  6. Step 6: Final answer
    x = 3,729.84

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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.