Home / 6,072.90-9,102.15-3,149.70

Finding the Fourth Proportional to 6,072.90, 9,102.15 and 3,149.70

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Solution

The fourth proportional to 6,072.90, 9,102.15 and 3,149.70 is: 4,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.90 : 9,102.15 = 3,149.70 : x
  2. Step 2: Convert to fraction form
    6,072.90/9,102.15 = 3,149.70/x
  3. Step 3: Cross multiply
    6,072.90x = 9,102.15 × 3,149.70
  4. Step 4: Simplify right side
    6,072.90x = 28,669,041.86
  5. Step 5: Solve for x
    x = 28,669,041.86/6,072.90
  6. Step 6: Final answer
    x = 4,720.82

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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.