Home / 5,806.88-8,711.37-2,114.30

Finding the Fourth Proportional to 5,806.88, 8,711.37 and 2,114.30

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Solution

The fourth proportional to 5,806.88, 8,711.37 and 2,114.30 is: 3,171.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.88 : 8,711.37 = 2,114.30 : x
  2. Step 2: Convert to fraction form
    5,806.88/8,711.37 = 2,114.30/x
  3. Step 3: Cross multiply
    5,806.88x = 8,711.37 × 2,114.30
  4. Step 4: Simplify right side
    5,806.88x = 18,418,395.46
  5. Step 5: Solve for x
    x = 18,418,395.46/5,806.88
  6. Step 6: Final answer
    x = 3,171.82

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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.