Home / 7,216.39-9,958.18-4,029.48

Finding the Fourth Proportional to 7,216.39, 9,958.18 and 4,029.48

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Solution

The fourth proportional to 7,216.39, 9,958.18 and 4,029.48 is: 5,560.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.39 : 9,958.18 = 4,029.48 : x
  2. Step 2: Convert to fraction form
    7,216.39/9,958.18 = 4,029.48/x
  3. Step 3: Cross multiply
    7,216.39x = 9,958.18 × 4,029.48
  4. Step 4: Simplify right side
    7,216.39x = 40,126,287.15
  5. Step 5: Solve for x
    x = 40,126,287.15/7,216.39
  6. Step 6: Final answer
    x = 5,560.44

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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.