Home / 6,778.31-10,169.01-2,618.35

Finding the Fourth Proportional to 6,778.31, 10,169.01 and 2,618.35

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Solution

The fourth proportional to 6,778.31, 10,169.01 and 2,618.35 is: 3,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.31 : 10,169.01 = 2,618.35 : x
  2. Step 2: Convert to fraction form
    6,778.31/10,169.01 = 2,618.35/x
  3. Step 3: Cross multiply
    6,778.31x = 10,169.01 × 2,618.35
  4. Step 4: Simplify right side
    6,778.31x = 26,626,001.91
  5. Step 5: Solve for x
    x = 26,626,001.91/6,778.31
  6. Step 6: Final answer
    x = 3,928.12

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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.