Home / 5,418.12-7,477.92-3,060.18

Finding the Fourth Proportional to 5,418.12, 7,477.92 and 3,060.18

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Solution

The fourth proportional to 5,418.12, 7,477.92 and 3,060.18 is: 4,223.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.12 : 7,477.92 = 3,060.18 : x
  2. Step 2: Convert to fraction form
    5,418.12/7,477.92 = 3,060.18/x
  3. Step 3: Cross multiply
    5,418.12x = 7,477.92 × 3,060.18
  4. Step 4: Simplify right side
    5,418.12x = 22,883,781.23
  5. Step 5: Solve for x
    x = 22,883,781.23/5,418.12
  6. Step 6: Final answer
    x = 4,223.56

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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.