Home / 7,772.98-11,652.45-2,839.15

Finding the Fourth Proportional to 7,772.98, 11,652.45 and 2,839.15

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Solution

The fourth proportional to 7,772.98, 11,652.45 and 2,839.15 is: 4,256.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.98 : 11,652.45 = 2,839.15 : x
  2. Step 2: Convert to fraction form
    7,772.98/11,652.45 = 2,839.15/x
  3. Step 3: Cross multiply
    7,772.98x = 11,652.45 × 2,839.15
  4. Step 4: Simplify right side
    7,772.98x = 33,083,053.42
  5. Step 5: Solve for x
    x = 33,083,053.42/7,772.98
  6. Step 6: Final answer
    x = 4,256.16

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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.