Home / 5,672.40-8,508.74-2,161.95

Finding the Fourth Proportional to 5,672.40, 8,508.74 and 2,161.95

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Solution

The fourth proportional to 5,672.40, 8,508.74 and 2,161.95 is: 3,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.40 : 8,508.74 = 2,161.95 : x
  2. Step 2: Convert to fraction form
    5,672.40/8,508.74 = 2,161.95/x
  3. Step 3: Cross multiply
    5,672.40x = 8,508.74 × 2,161.95
  4. Step 4: Simplify right side
    5,672.40x = 18,395,470.44
  5. Step 5: Solve for x
    x = 18,395,470.44/5,672.40
  6. Step 6: Final answer
    x = 3,242.98

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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.