Home / 8,148.29-12,220.48-3,761.54

Finding the Fourth Proportional to 8,148.29, 12,220.48 and 3,761.54

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Solution

The fourth proportional to 8,148.29, 12,220.48 and 3,761.54 is: 5,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.29 : 12,220.48 = 3,761.54 : x
  2. Step 2: Convert to fraction form
    8,148.29/12,220.48 = 3,761.54/x
  3. Step 3: Cross multiply
    8,148.29x = 12,220.48 × 3,761.54
  4. Step 4: Simplify right side
    8,148.29x = 45,967,744.43
  5. Step 5: Solve for x
    x = 45,967,744.43/8,148.29
  6. Step 6: Final answer
    x = 5,641.40

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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.