Home / 4,079.68-5,624.45-2,660.56

Finding the Fourth Proportional to 4,079.68, 5,624.45 and 2,660.56

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Solution

The fourth proportional to 4,079.68, 5,624.45 and 2,660.56 is: 3,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.68 : 5,624.45 = 2,660.56 : x
  2. Step 2: Convert to fraction form
    4,079.68/5,624.45 = 2,660.56/x
  3. Step 3: Cross multiply
    4,079.68x = 5,624.45 × 2,660.56
  4. Step 4: Simplify right side
    4,079.68x = 14,964,186.69
  5. Step 5: Solve for x
    x = 14,964,186.69/4,079.68
  6. Step 6: Final answer
    x = 3,667.98

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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.