Home / 5,245.18-7,866.51-2,321.86

Finding the Fourth Proportional to 5,245.18, 7,866.51 and 2,321.86

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Solution

The fourth proportional to 5,245.18, 7,866.51 and 2,321.86 is: 3,482.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.18 : 7,866.51 = 2,321.86 : x
  2. Step 2: Convert to fraction form
    5,245.18/7,866.51 = 2,321.86/x
  3. Step 3: Cross multiply
    5,245.18x = 7,866.51 × 2,321.86
  4. Step 4: Simplify right side
    5,245.18x = 18,264,934.91
  5. Step 5: Solve for x
    x = 18,264,934.91/5,245.18
  6. Step 6: Final answer
    x = 3,482.23

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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.