Home / 4,818.90-7,229.16-1,531.74

Finding the Fourth Proportional to 4,818.90, 7,229.16 and 1,531.74

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Solution

The fourth proportional to 4,818.90, 7,229.16 and 1,531.74 is: 2,297.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.90 : 7,229.16 = 1,531.74 : x
  2. Step 2: Convert to fraction form
    4,818.90/7,229.16 = 1,531.74/x
  3. Step 3: Cross multiply
    4,818.90x = 7,229.16 × 1,531.74
  4. Step 4: Simplify right side
    4,818.90x = 11,073,193.54
  5. Step 5: Solve for x
    x = 11,073,193.54/4,818.90
  6. Step 6: Final answer
    x = 2,297.87

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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.