Home / 4,589.46-6,879.51-1,818.05

Finding the Fourth Proportional to 4,589.46, 6,879.51 and 1,818.05

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Solution

The fourth proportional to 4,589.46, 6,879.51 and 1,818.05 is: 2,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,589.46 : 6,879.51 = 1,818.05 : x
  2. Step 2: Convert to fraction form
    4,589.46/6,879.51 = 1,818.05/x
  3. Step 3: Cross multiply
    4,589.46x = 6,879.51 × 1,818.05
  4. Step 4: Simplify right side
    4,589.46x = 12,507,258.76
  5. Step 5: Solve for x
    x = 12,507,258.76/4,589.46
  6. Step 6: Final answer
    x = 2,725.21

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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.