Home / 5,222.43-7,206.99-2,864.79

Finding the Fourth Proportional to 5,222.43, 7,206.99 and 2,864.79

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Solution

The fourth proportional to 5,222.43, 7,206.99 and 2,864.79 is: 3,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.43 : 7,206.99 = 2,864.79 : x
  2. Step 2: Convert to fraction form
    5,222.43/7,206.99 = 2,864.79/x
  3. Step 3: Cross multiply
    5,222.43x = 7,206.99 × 2,864.79
  4. Step 4: Simplify right side
    5,222.43x = 20,646,498.56
  5. Step 5: Solve for x
    x = 20,646,498.56/5,222.43
  6. Step 6: Final answer
    x = 3,953.43

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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.