Home / 7,731.80-11,611.92-4,036.52

Finding the Fourth Proportional to 7,731.80, 11,611.92 and 4,036.52

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Solution

The fourth proportional to 7,731.80, 11,611.92 and 4,036.52 is: 6,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.80 : 11,611.92 = 4,036.52 : x
  2. Step 2: Convert to fraction form
    7,731.80/11,611.92 = 4,036.52/x
  3. Step 3: Cross multiply
    7,731.80x = 11,611.92 × 4,036.52
  4. Step 4: Simplify right side
    7,731.80x = 46,871,747.32
  5. Step 5: Solve for x
    x = 46,871,747.32/7,731.80
  6. Step 6: Final answer
    x = 6,062.20

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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.