Home / 6,764.78-10,148.61-2,869.10

Finding the Fourth Proportional to 6,764.78, 10,148.61 and 2,869.10

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Solution

The fourth proportional to 6,764.78, 10,148.61 and 2,869.10 is: 4,304.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.78 : 10,148.61 = 2,869.10 : x
  2. Step 2: Convert to fraction form
    6,764.78/10,148.61 = 2,869.10/x
  3. Step 3: Cross multiply
    6,764.78x = 10,148.61 × 2,869.10
  4. Step 4: Simplify right side
    6,764.78x = 29,117,376.95
  5. Step 5: Solve for x
    x = 29,117,376.95/6,764.78
  6. Step 6: Final answer
    x = 4,304.26

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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.