Home / 5,721.20-8,579.97-1,824.69

Finding the Fourth Proportional to 5,721.20, 8,579.97 and 1,824.69

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Solution

The fourth proportional to 5,721.20, 8,579.97 and 1,824.69 is: 2,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.20 : 8,579.97 = 1,824.69 : x
  2. Step 2: Convert to fraction form
    5,721.20/8,579.97 = 1,824.69/x
  3. Step 3: Cross multiply
    5,721.20x = 8,579.97 × 1,824.69
  4. Step 4: Simplify right side
    5,721.20x = 15,655,785.46
  5. Step 5: Solve for x
    x = 15,655,785.46/5,721.20
  6. Step 6: Final answer
    x = 2,736.45

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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.