Home / 5,707.70-8,562.92-1,812.11

Finding the Fourth Proportional to 5,707.70, 8,562.92 and 1,812.11

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Solution

The fourth proportional to 5,707.70, 8,562.92 and 1,812.11 is: 2,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.70 : 8,562.92 = 1,812.11 : x
  2. Step 2: Convert to fraction form
    5,707.70/8,562.92 = 1,812.11/x
  3. Step 3: Cross multiply
    5,707.70x = 8,562.92 × 1,812.11
  4. Step 4: Simplify right side
    5,707.70x = 15,516,952.96
  5. Step 5: Solve for x
    x = 15,516,952.96/5,707.70
  6. Step 6: Final answer
    x = 2,718.60

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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.