Home / 5,711.24-8,566.55-1,815.35

Finding the Fourth Proportional to 5,711.24, 8,566.55 and 1,815.35

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Solution

The fourth proportional to 5,711.24, 8,566.55 and 1,815.35 is: 2,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.24 : 8,566.55 = 1,815.35 : x
  2. Step 2: Convert to fraction form
    5,711.24/8,566.55 = 1,815.35/x
  3. Step 3: Cross multiply
    5,711.24x = 8,566.55 × 1,815.35
  4. Step 4: Simplify right side
    5,711.24x = 15,551,234.63
  5. Step 5: Solve for x
    x = 15,551,234.63/5,711.24
  6. Step 6: Final answer
    x = 2,722.92

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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.