Home / 5,224.79-7,209.97-2,866.88

Finding the Fourth Proportional to 5,224.79, 7,209.97 and 2,866.88

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Solution

The fourth proportional to 5,224.79, 7,209.97 and 2,866.88 is: 3,956.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.79 : 7,209.97 = 2,866.88 : x
  2. Step 2: Convert to fraction form
    5,224.79/7,209.97 = 2,866.88/x
  3. Step 3: Cross multiply
    5,224.79x = 7,209.97 × 2,866.88
  4. Step 4: Simplify right side
    5,224.79x = 20,670,129.65
  5. Step 5: Solve for x
    x = 20,670,129.65/5,224.79
  6. Step 6: Final answer
    x = 3,956.16

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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.