Home / 5,065.29-7,601.33-1,778.39

Finding the Fourth Proportional to 5,065.29, 7,601.33 and 1,778.39

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Solution

The fourth proportional to 5,065.29, 7,601.33 and 1,778.39 is: 2,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.29 : 7,601.33 = 1,778.39 : x
  2. Step 2: Convert to fraction form
    5,065.29/7,601.33 = 1,778.39/x
  3. Step 3: Cross multiply
    5,065.29x = 7,601.33 × 1,778.39
  4. Step 4: Simplify right side
    5,065.29x = 13,518,134.31
  5. Step 5: Solve for x
    x = 13,518,134.31/5,065.29
  6. Step 6: Final answer
    x = 2,668.78

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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.