Home / 5,177.47-7,144.94-3,081.67

Finding the Fourth Proportional to 5,177.47, 7,144.94 and 3,081.67

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Solution

The fourth proportional to 5,177.47, 7,144.94 and 3,081.67 is: 4,252.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.47 : 7,144.94 = 3,081.67 : x
  2. Step 2: Convert to fraction form
    5,177.47/7,144.94 = 3,081.67/x
  3. Step 3: Cross multiply
    5,177.47x = 7,144.94 × 3,081.67
  4. Step 4: Simplify right side
    5,177.47x = 22,018,347.25
  5. Step 5: Solve for x
    x = 22,018,347.25/5,177.47
  6. Step 6: Final answer
    x = 4,252.72

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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.