Home / 7,766.16-11,654-3,085.32

Finding the Fourth Proportional to 7,766.16, 11,654 and 3,085.32

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Solution

The fourth proportional to 7,766.16, 11,654 and 3,085.32 is: 4,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.16 : 11,654 = 3,085.32 : x
  2. Step 2: Convert to fraction form
    7,766.16/11,654 = 3,085.32/x
  3. Step 3: Cross multiply
    7,766.16x = 11,654 × 3,085.32
  4. Step 4: Simplify right side
    7,766.16x = 35,956,319.28
  5. Step 5: Solve for x
    x = 35,956,319.28/7,766.16
  6. Step 6: Final answer
    x = 4,629.87

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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.