Home / 5,134.55-7,664.68-4,511.76

Finding the Fourth Proportional to 5,134.55, 7,664.68 and 4,511.76

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Solution

The fourth proportional to 5,134.55, 7,664.68 and 4,511.76 is: 6,735.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.55 : 7,664.68 = 4,511.76 : x
  2. Step 2: Convert to fraction form
    5,134.55/7,664.68 = 4,511.76/x
  3. Step 3: Cross multiply
    5,134.55x = 7,664.68 × 4,511.76
  4. Step 4: Simplify right side
    5,134.55x = 34,581,211.56
  5. Step 5: Solve for x
    x = 34,581,211.56/5,134.55
  6. Step 6: Final answer
    x = 6,735.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.