Home / 5,630.60-7,768.18-3,272.20

Finding the Fourth Proportional to 5,630.60, 7,768.18 and 3,272.20

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Solution

The fourth proportional to 5,630.60, 7,768.18 and 3,272.20 is: 4,514.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.60 : 7,768.18 = 3,272.20 : x
  2. Step 2: Convert to fraction form
    5,630.60/7,768.18 = 3,272.20/x
  3. Step 3: Cross multiply
    5,630.60x = 7,768.18 × 3,272.20
  4. Step 4: Simplify right side
    5,630.60x = 25,419,038.60
  5. Step 5: Solve for x
    x = 25,419,038.60/5,630.60
  6. Step 6: Final answer
    x = 4,514.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.