Home / 5,812.28-8,720.75-2,114.76

Finding the Fourth Proportional to 5,812.28, 8,720.75 and 2,114.76

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Solution

The fourth proportional to 5,812.28, 8,720.75 and 2,114.76 is: 3,172.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.28 : 8,720.75 = 2,114.76 : x
  2. Step 2: Convert to fraction form
    5,812.28/8,720.75 = 2,114.76/x
  3. Step 3: Cross multiply
    5,812.28x = 8,720.75 × 2,114.76
  4. Step 4: Simplify right side
    5,812.28x = 18,442,293.27
  5. Step 5: Solve for x
    x = 18,442,293.27/5,812.28
  6. Step 6: Final answer
    x = 3,172.99

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1.5x scale

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.