Home / 5,418.22-7,477.29-3,060.71

Finding the Fourth Proportional to 5,418.22, 7,477.29 and 3,060.71

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Solution

The fourth proportional to 5,418.22, 7,477.29 and 3,060.71 is: 4,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.22 : 7,477.29 = 3,060.71 : x
  2. Step 2: Convert to fraction form
    5,418.22/7,477.29 = 3,060.71/x
  3. Step 3: Cross multiply
    5,418.22x = 7,477.29 × 3,060.71
  4. Step 4: Simplify right side
    5,418.22x = 22,885,816.28
  5. Step 5: Solve for x
    x = 22,885,816.28/5,418.22
  6. Step 6: Final answer
    x = 4,223.86

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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.