Home / 7,751.29-11,626.63-2,486.17

Finding the Fourth Proportional to 7,751.29, 11,626.63 and 2,486.17

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Solution

The fourth proportional to 7,751.29, 11,626.63 and 2,486.17 is: 3,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.29 : 11,626.63 = 2,486.17 : x
  2. Step 2: Convert to fraction form
    7,751.29/11,626.63 = 2,486.17/x
  3. Step 3: Cross multiply
    7,751.29x = 11,626.63 × 2,486.17
  4. Step 4: Simplify right side
    7,751.29x = 28,905,778.71
  5. Step 5: Solve for x
    x = 28,905,778.71/7,751.29
  6. Step 6: Final answer
    x = 3,729.16

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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.