Home / 6,129.16-9,195.18-2,667.40

Finding the Fourth Proportional to 6,129.16, 9,195.18 and 2,667.40

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Solution

The fourth proportional to 6,129.16, 9,195.18 and 2,667.40 is: 4,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.16 : 9,195.18 = 2,667.40 : x
  2. Step 2: Convert to fraction form
    6,129.16/9,195.18 = 2,667.40/x
  3. Step 3: Cross multiply
    6,129.16x = 9,195.18 × 2,667.40
  4. Step 4: Simplify right side
    6,129.16x = 24,527,223.13
  5. Step 5: Solve for x
    x = 24,527,223.13/6,129.16
  6. Step 6: Final answer
    x = 4,001.73

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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.