Home / 5,398.41-7,449.83-3,040.61

Finding the Fourth Proportional to 5,398.41, 7,449.83 and 3,040.61

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Solution

The fourth proportional to 5,398.41, 7,449.83 and 3,040.61 is: 4,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.41 : 7,449.83 = 3,040.61 : x
  2. Step 2: Convert to fraction form
    5,398.41/7,449.83 = 3,040.61/x
  3. Step 3: Cross multiply
    5,398.41x = 7,449.83 × 3,040.61
  4. Step 4: Simplify right side
    5,398.41x = 22,651,975.14
  5. Step 5: Solve for x
    x = 22,651,975.14/5,398.41
  6. Step 6: Final answer
    x = 4,196.05

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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.