Home / 6,127.19-8,455.94-3,540.90

Finding the Fourth Proportional to 6,127.19, 8,455.94 and 3,540.90

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Solution

The fourth proportional to 6,127.19, 8,455.94 and 3,540.90 is: 4,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.19 : 8,455.94 = 3,540.90 : x
  2. Step 2: Convert to fraction form
    6,127.19/8,455.94 = 3,540.90/x
  3. Step 3: Cross multiply
    6,127.19x = 8,455.94 × 3,540.90
  4. Step 4: Simplify right side
    6,127.19x = 29,941,620.24
  5. Step 5: Solve for x
    x = 29,941,620.24/6,127.19
  6. Step 6: Final answer
    x = 4,886.68

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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.