Home / 5,441.19-8,160.80-2,478.95

Finding the Fourth Proportional to 5,441.19, 8,160.80 and 2,478.95

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Solution

The fourth proportional to 5,441.19, 8,160.80 and 2,478.95 is: 3,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.19 : 8,160.80 = 2,478.95 : x
  2. Step 2: Convert to fraction form
    5,441.19/8,160.80 = 2,478.95/x
  3. Step 3: Cross multiply
    5,441.19x = 8,160.80 × 2,478.95
  4. Step 4: Simplify right side
    5,441.19x = 20,230,161.96
  5. Step 5: Solve for x
    x = 20,230,161.96/5,441.19
  6. Step 6: Final answer
    x = 3,717.97

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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.