Home / 4,489.10-6,734.12-1,718.11

Finding the Fourth Proportional to 4,489.10, 6,734.12 and 1,718.11

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Solution

The fourth proportional to 4,489.10, 6,734.12 and 1,718.11 is: 2,577.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.10 : 6,734.12 = 1,718.11 : x
  2. Step 2: Convert to fraction form
    4,489.10/6,734.12 = 1,718.11/x
  3. Step 3: Cross multiply
    4,489.10x = 6,734.12 × 1,718.11
  4. Step 4: Simplify right side
    4,489.10x = 11,569,916.65
  5. Step 5: Solve for x
    x = 11,569,916.65/4,489.10
  6. Step 6: Final answer
    x = 2,577.34

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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.