Home / 5,540.80-8,304.88-3,461.76

Finding the Fourth Proportional to 5,540.80, 8,304.88 and 3,461.76

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Solution

The fourth proportional to 5,540.80, 8,304.88 and 3,461.76 is: 5,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.80 : 8,304.88 = 3,461.76 : x
  2. Step 2: Convert to fraction form
    5,540.80/8,304.88 = 3,461.76/x
  3. Step 3: Cross multiply
    5,540.80x = 8,304.88 × 3,461.76
  4. Step 4: Simplify right side
    5,540.80x = 28,749,501.39
  5. Step 5: Solve for x
    x = 28,749,501.39/5,540.80
  6. Step 6: Final answer
    x = 5,188.69

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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.