Home / 4,081.25-6,122.31-1,306.93

Finding the Fourth Proportional to 4,081.25, 6,122.31 and 1,306.93

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Solution

The fourth proportional to 4,081.25, 6,122.31 and 1,306.93 is: 1,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.25 : 6,122.31 = 1,306.93 : x
  2. Step 2: Convert to fraction form
    4,081.25/6,122.31 = 1,306.93/x
  3. Step 3: Cross multiply
    4,081.25x = 6,122.31 × 1,306.93
  4. Step 4: Simplify right side
    4,081.25x = 8,001,430.61
  5. Step 5: Solve for x
    x = 8,001,430.61/4,081.25
  6. Step 6: Final answer
    x = 1,960.53

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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.