Home / 6,229.20-8,585.41-5,427.51

Finding the Fourth Proportional to 6,229.20, 8,585.41 and 5,427.51

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Solution

The fourth proportional to 6,229.20, 8,585.41 and 5,427.51 is: 7,480.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,229.20 : 8,585.41 = 5,427.51 : x
  2. Step 2: Convert to fraction form
    6,229.20/8,585.41 = 5,427.51/x
  3. Step 3: Cross multiply
    6,229.20x = 8,585.41 × 5,427.51
  4. Step 4: Simplify right side
    6,229.20x = 46,597,398.63
  5. Step 5: Solve for x
    x = 46,597,398.63/6,229.20
  6. Step 6: Final answer
    x = 7,480.48

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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.