Home / 5,708.48-8,562.85-1,812.85

Finding the Fourth Proportional to 5,708.48, 8,562.85 and 1,812.85

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Solution

The fourth proportional to 5,708.48, 8,562.85 and 1,812.85 is: 2,719.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.48 : 8,562.85 = 1,812.85 : x
  2. Step 2: Convert to fraction form
    5,708.48/8,562.85 = 1,812.85/x
  3. Step 3: Cross multiply
    5,708.48x = 8,562.85 × 1,812.85
  4. Step 4: Simplify right side
    5,708.48x = 15,523,136.68
  5. Step 5: Solve for x
    x = 15,523,136.68/5,708.48
  6. Step 6: Final answer
    x = 2,719.31

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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.