Home / 5,812.71-8,719.88-2,114.52

Finding the Fourth Proportional to 5,812.71, 8,719.88 and 2,114.52

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Solution

The fourth proportional to 5,812.71, 8,719.88 and 2,114.52 is: 3,172.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.71 : 8,719.88 = 2,114.52 : x
  2. Step 2: Convert to fraction form
    5,812.71/8,719.88 = 2,114.52/x
  3. Step 3: Cross multiply
    5,812.71x = 8,719.88 × 2,114.52
  4. Step 4: Simplify right side
    5,812.71x = 18,438,360.66
  5. Step 5: Solve for x
    x = 18,438,360.66/5,812.71
  6. Step 6: Final answer
    x = 3,172.08

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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.