Home / 4,418.68-6,632.36-4,398.16

Finding the Fourth Proportional to 4,418.68, 6,632.36 and 4,398.16

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Solution

The fourth proportional to 4,418.68, 6,632.36 and 4,398.16 is: 6,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.68 : 6,632.36 = 4,398.16 : x
  2. Step 2: Convert to fraction form
    4,418.68/6,632.36 = 4,398.16/x
  3. Step 3: Cross multiply
    4,418.68x = 6,632.36 × 4,398.16
  4. Step 4: Simplify right side
    4,418.68x = 29,170,180.46
  5. Step 5: Solve for x
    x = 29,170,180.46/4,418.68
  6. Step 6: Final answer
    x = 6,601.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.