Home / 6,671.72-9,206.34-3,876.68

Finding the Fourth Proportional to 6,671.72, 9,206.34 and 3,876.68

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Solution

The fourth proportional to 6,671.72, 9,206.34 and 3,876.68 is: 5,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,671.72 : 9,206.34 = 3,876.68 : x
  2. Step 2: Convert to fraction form
    6,671.72/9,206.34 = 3,876.68/x
  3. Step 3: Cross multiply
    6,671.72x = 9,206.34 × 3,876.68
  4. Step 4: Simplify right side
    6,671.72x = 35,690,034.15
  5. Step 5: Solve for x
    x = 35,690,034.15/6,671.72
  6. Step 6: Final answer
    x = 5,349.45

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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.