Home / 7,729.76-11,581.20-4,026.32

Finding the Fourth Proportional to 7,729.76, 11,581.20 and 4,026.32

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Solution

The fourth proportional to 7,729.76, 11,581.20 and 4,026.32 is: 6,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.76 : 11,581.20 = 4,026.32 : x
  2. Step 2: Convert to fraction form
    7,729.76/11,581.20 = 4,026.32/x
  3. Step 3: Cross multiply
    7,729.76x = 11,581.20 × 4,026.32
  4. Step 4: Simplify right side
    7,729.76x = 46,629,617.18
  5. Step 5: Solve for x
    x = 46,629,617.18/7,729.76
  6. Step 6: Final answer
    x = 6,032.48

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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.