Home / 5,708.09-8,563.52-1,812.53

Finding the Fourth Proportional to 5,708.09, 8,563.52 and 1,812.53

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Solution

The fourth proportional to 5,708.09, 8,563.52 and 1,812.53 is: 2,719.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.09 : 8,563.52 = 1,812.53 : x
  2. Step 2: Convert to fraction form
    5,708.09/8,563.52 = 1,812.53/x
  3. Step 3: Cross multiply
    5,708.09x = 8,563.52 × 1,812.53
  4. Step 4: Simplify right side
    5,708.09x = 15,521,662.85
  5. Step 5: Solve for x
    x = 15,521,662.85/5,708.09
  6. Step 6: Final answer
    x = 2,719.24

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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.