Home / 7,865.06-11,787.17-5,775.27

Finding the Fourth Proportional to 7,865.06, 11,787.17 and 5,775.27

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Solution

The fourth proportional to 7,865.06, 11,787.17 and 5,775.27 is: 8,655.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.06 : 11,787.17 = 5,775.27 : x
  2. Step 2: Convert to fraction form
    7,865.06/11,787.17 = 5,775.27/x
  3. Step 3: Cross multiply
    7,865.06x = 11,787.17 × 5,775.27
  4. Step 4: Simplify right side
    7,865.06x = 68,074,060.41
  5. Step 5: Solve for x
    x = 68,074,060.41/7,865.06
  6. Step 6: Final answer
    x = 8,655.26

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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.