Home / 4,581.77-6,872.59-1,119.05

Finding the Fourth Proportional to 4,581.77, 6,872.59 and 1,119.05

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Solution

The fourth proportional to 4,581.77, 6,872.59 and 1,119.05 is: 1,678.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.77 : 6,872.59 = 1,119.05 : x
  2. Step 2: Convert to fraction form
    4,581.77/6,872.59 = 1,119.05/x
  3. Step 3: Cross multiply
    4,581.77x = 6,872.59 × 1,119.05
  4. Step 4: Simplify right side
    4,581.77x = 7,690,734.68
  5. Step 5: Solve for x
    x = 7,690,734.68/4,581.77
  6. Step 6: Final answer
    x = 1,678.55

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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.