Home / 6,078.88-9,126.18-3,159.22

Finding the Fourth Proportional to 6,078.88, 9,126.18 and 3,159.22

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Solution

The fourth proportional to 6,078.88, 9,126.18 and 3,159.22 is: 4,742.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.88 : 9,126.18 = 3,159.22 : x
  2. Step 2: Convert to fraction form
    6,078.88/9,126.18 = 3,159.22/x
  3. Step 3: Cross multiply
    6,078.88x = 9,126.18 × 3,159.22
  4. Step 4: Simplify right side
    6,078.88x = 28,831,610.38
  5. Step 5: Solve for x
    x = 28,831,610.38/6,078.88
  6. Step 6: Final answer
    x = 4,742.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.