Home / 5,017.20-7,540.20-4,383.60

Finding the Fourth Proportional to 5,017.20, 7,540.20 and 4,383.60

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Solution

The fourth proportional to 5,017.20, 7,540.20 and 4,383.60 is: 6,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.20 : 7,540.20 = 4,383.60 : x
  2. Step 2: Convert to fraction form
    5,017.20/7,540.20 = 4,383.60/x
  3. Step 3: Cross multiply
    5,017.20x = 7,540.20 × 4,383.60
  4. Step 4: Simplify right side
    5,017.20x = 33,053,220.72
  5. Step 5: Solve for x
    x = 33,053,220.72/5,017.20
  6. Step 6: Final answer
    x = 6,587.98

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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.