Home / 4,480.65-6,717.06-2,139.48

Finding the Fourth Proportional to 4,480.65, 6,717.06 and 2,139.48

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Solution

The fourth proportional to 4,480.65, 6,717.06 and 2,139.48 is: 3,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.65 : 6,717.06 = 2,139.48 : x
  2. Step 2: Convert to fraction form
    4,480.65/6,717.06 = 2,139.48/x
  3. Step 3: Cross multiply
    4,480.65x = 6,717.06 × 2,139.48
  4. Step 4: Simplify right side
    4,480.65x = 14,371,015.53
  5. Step 5: Solve for x
    x = 14,371,015.53/4,480.65
  6. Step 6: Final answer
    x = 3,207.35

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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.