Home / 5,182.79-7,767.67-2,217.75

Finding the Fourth Proportional to 5,182.79, 7,767.67 and 2,217.75

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Solution

The fourth proportional to 5,182.79, 7,767.67 and 2,217.75 is: 3,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.79 : 7,767.67 = 2,217.75 : x
  2. Step 2: Convert to fraction form
    5,182.79/7,767.67 = 2,217.75/x
  3. Step 3: Cross multiply
    5,182.79x = 7,767.67 × 2,217.75
  4. Step 4: Simplify right side
    5,182.79x = 17,226,750.14
  5. Step 5: Solve for x
    x = 17,226,750.14/5,182.79
  6. Step 6: Final answer
    x = 3,323.84

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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.