Home / 7,664.28-10,576.44-4,679.04

Finding the Fourth Proportional to 7,664.28, 10,576.44 and 4,679.04

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Solution

The fourth proportional to 7,664.28, 10,576.44 and 4,679.04 is: 6,456.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.28 : 10,576.44 = 4,679.04 : x
  2. Step 2: Convert to fraction form
    7,664.28/10,576.44 = 4,679.04/x
  3. Step 3: Cross multiply
    7,664.28x = 10,576.44 × 4,679.04
  4. Step 4: Simplify right side
    7,664.28x = 49,487,585.82
  5. Step 5: Solve for x
    x = 49,487,585.82/7,664.28
  6. Step 6: Final answer
    x = 6,456.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.