Home / 5,209.18-7,815.33-2,437.45

Finding the Fourth Proportional to 5,209.18, 7,815.33 and 2,437.45

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Solution

The fourth proportional to 5,209.18, 7,815.33 and 2,437.45 is: 3,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.18 : 7,815.33 = 2,437.45 : x
  2. Step 2: Convert to fraction form
    5,209.18/7,815.33 = 2,437.45/x
  3. Step 3: Cross multiply
    5,209.18x = 7,815.33 × 2,437.45
  4. Step 4: Simplify right side
    5,209.18x = 19,049,456.57
  5. Step 5: Solve for x
    x = 19,049,456.57/5,209.18
  6. Step 6: Final answer
    x = 3,656.90

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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.