Home / 6,218.15-8,577.27-3,979.23

Finding the Fourth Proportional to 6,218.15, 8,577.27 and 3,979.23

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Solution

The fourth proportional to 6,218.15, 8,577.27 and 3,979.23 is: 5,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.15 : 8,577.27 = 3,979.23 : x
  2. Step 2: Convert to fraction form
    6,218.15/8,577.27 = 3,979.23/x
  3. Step 3: Cross multiply
    6,218.15x = 8,577.27 × 3,979.23
  4. Step 4: Simplify right side
    6,218.15x = 34,130,930.10
  5. Step 5: Solve for x
    x = 34,130,930.10/6,218.15
  6. Step 6: Final answer
    x = 5,488.92

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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.