Home / 7,766.29-11,656.68-4,071.16

Finding the Fourth Proportional to 7,766.29, 11,656.68 and 4,071.16

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Solution

The fourth proportional to 7,766.29, 11,656.68 and 4,071.16 is: 6,110.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.29 : 11,656.68 = 4,071.16 : x
  2. Step 2: Convert to fraction form
    7,766.29/11,656.68 = 4,071.16/x
  3. Step 3: Cross multiply
    7,766.29x = 11,656.68 × 4,071.16
  4. Step 4: Simplify right side
    7,766.29x = 47,456,209.35
  5. Step 5: Solve for x
    x = 47,456,209.35/7,766.29
  6. Step 6: Final answer
    x = 6,110.54

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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.