Home / 5,222.20-7,206.90-2,864.56

Finding the Fourth Proportional to 5,222.20, 7,206.90 and 2,864.56

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Solution

The fourth proportional to 5,222.20, 7,206.90 and 2,864.56 is: 3,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.20 : 7,206.90 = 2,864.56 : x
  2. Step 2: Convert to fraction form
    5,222.20/7,206.90 = 2,864.56/x
  3. Step 3: Cross multiply
    5,222.20x = 7,206.90 × 2,864.56
  4. Step 4: Simplify right side
    5,222.20x = 20,644,597.46
  5. Step 5: Solve for x
    x = 20,644,597.46/5,222.20
  6. Step 6: Final answer
    x = 3,953.24

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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.