Home / 7,212.20-9,954.78-4,560.44

Finding the Fourth Proportional to 7,212.20, 9,954.78 and 4,560.44

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Solution

The fourth proportional to 7,212.20, 9,954.78 and 4,560.44 is: 6,294.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.20 : 9,954.78 = 4,560.44 : x
  2. Step 2: Convert to fraction form
    7,212.20/9,954.78 = 4,560.44/x
  3. Step 3: Cross multiply
    7,212.20x = 9,954.78 × 4,560.44
  4. Step 4: Simplify right side
    7,212.20x = 45,398,176.90
  5. Step 5: Solve for x
    x = 45,398,176.90/7,212.20
  6. Step 6: Final answer
    x = 6,294.64

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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.