Home / 5,324.21-7,340.25-3,728.71

Finding the Fourth Proportional to 5,324.21, 7,340.25 and 3,728.71

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Solution

The fourth proportional to 5,324.21, 7,340.25 and 3,728.71 is: 5,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.21 : 7,340.25 = 3,728.71 : x
  2. Step 2: Convert to fraction form
    5,324.21/7,340.25 = 3,728.71/x
  3. Step 3: Cross multiply
    5,324.21x = 7,340.25 × 3,728.71
  4. Step 4: Simplify right side
    5,324.21x = 27,369,663.58
  5. Step 5: Solve for x
    x = 27,369,663.58/5,324.21
  6. Step 6: Final answer
    x = 5,140.61

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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.