Home / 5,708.57-8,564.21-1,812.96

Finding the Fourth Proportional to 5,708.57, 8,564.21 and 1,812.96

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Solution

The fourth proportional to 5,708.57, 8,564.21 and 1,812.96 is: 2,719.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.57 : 8,564.21 = 1,812.96 : x
  2. Step 2: Convert to fraction form
    5,708.57/8,564.21 = 1,812.96/x
  3. Step 3: Cross multiply
    5,708.57x = 8,564.21 × 1,812.96
  4. Step 4: Simplify right side
    5,708.57x = 15,526,561.10
  5. Step 5: Solve for x
    x = 15,526,561.10/5,708.57
  6. Step 6: Final answer
    x = 2,719.87

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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.