Home / 5,679.17-8,516.10-3,144.56

Finding the Fourth Proportional to 5,679.17, 8,516.10 and 3,144.56

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Solution

The fourth proportional to 5,679.17, 8,516.10 and 3,144.56 is: 4,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.17 : 8,516.10 = 3,144.56 : x
  2. Step 2: Convert to fraction form
    5,679.17/8,516.10 = 3,144.56/x
  3. Step 3: Cross multiply
    5,679.17x = 8,516.10 × 3,144.56
  4. Step 4: Simplify right side
    5,679.17x = 26,779,344.84
  5. Step 5: Solve for x
    x = 26,779,344.84/5,679.17
  6. Step 6: Final answer
    x = 4,715.37

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1.5x scale

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.