Home / 6,174-8,516.28-4,687.56

Finding the Fourth Proportional to 6,174, 8,516.28 and 4,687.56

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Solution

The fourth proportional to 6,174, 8,516.28 and 4,687.56 is: 6,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174 : 8,516.28 = 4,687.56 : x
  2. Step 2: Convert to fraction form
    6,174/8,516.28 = 4,687.56/x
  3. Step 3: Cross multiply
    6,174x = 8,516.28 × 4,687.56
  4. Step 4: Simplify right side
    6,174x = 39,920,573.48
  5. Step 5: Solve for x
    x = 39,920,573.48/6,174
  6. Step 6: Final answer
    x = 6,465.92

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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.