Home / 5,516.11-7,611.53-3,125.70

Finding the Fourth Proportional to 5,516.11, 7,611.53 and 3,125.70

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Solution

The fourth proportional to 5,516.11, 7,611.53 and 3,125.70 is: 4,313.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.11 : 7,611.53 = 3,125.70 : x
  2. Step 2: Convert to fraction form
    5,516.11/7,611.53 = 3,125.70/x
  3. Step 3: Cross multiply
    5,516.11x = 7,611.53 × 3,125.70
  4. Step 4: Simplify right side
    5,516.11x = 23,791,366.48
  5. Step 5: Solve for x
    x = 23,791,366.48/5,516.11
  6. Step 6: Final answer
    x = 4,313.07

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1.5x scale

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.