Home / 5,245.08-7,868.02-2,124.96

Finding the Fourth Proportional to 5,245.08, 7,868.02 and 2,124.96

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Solution

The fourth proportional to 5,245.08, 7,868.02 and 2,124.96 is: 3,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.08 : 7,868.02 = 2,124.96 : x
  2. Step 2: Convert to fraction form
    5,245.08/7,868.02 = 2,124.96/x
  3. Step 3: Cross multiply
    5,245.08x = 7,868.02 × 2,124.96
  4. Step 4: Simplify right side
    5,245.08x = 16,719,227.78
  5. Step 5: Solve for x
    x = 16,719,227.78/5,245.08
  6. Step 6: Final answer
    x = 3,187.60

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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.