Home / 4,685.20-7,025.74-1,761.44

Finding the Fourth Proportional to 4,685.20, 7,025.74 and 1,761.44

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Solution

The fourth proportional to 4,685.20, 7,025.74 and 1,761.44 is: 2,641.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.20 : 7,025.74 = 1,761.44 : x
  2. Step 2: Convert to fraction form
    4,685.20/7,025.74 = 1,761.44/x
  3. Step 3: Cross multiply
    4,685.20x = 7,025.74 × 1,761.44
  4. Step 4: Simplify right side
    4,685.20x = 12,375,419.47
  5. Step 5: Solve for x
    x = 12,375,419.47/4,685.20
  6. Step 6: Final answer
    x = 2,641.39

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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.