Home / 4,581.68-6,872.52-1,660

Finding the Fourth Proportional to 4,581.68, 6,872.52 and 1,660

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Solution

The fourth proportional to 4,581.68, 6,872.52 and 1,660 is: 2,490

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.68 : 6,872.52 = 1,660 : x
  2. Step 2: Convert to fraction form
    4,581.68/6,872.52 = 1,660/x
  3. Step 3: Cross multiply
    4,581.68x = 6,872.52 × 1,660
  4. Step 4: Simplify right side
    4,581.68x = 11,408,383.20
  5. Step 5: Solve for x
    x = 11,408,383.20/4,581.68
  6. Step 6: Final answer
    x = 2,490

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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.