Home / 7,925.80-11,890.58-2,731.52

Finding the Fourth Proportional to 7,925.80, 11,890.58 and 2,731.52

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Solution

The fourth proportional to 7,925.80, 11,890.58 and 2,731.52 is: 4,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.80 : 11,890.58 = 2,731.52 : x
  2. Step 2: Convert to fraction form
    7,925.80/11,890.58 = 2,731.52/x
  3. Step 3: Cross multiply
    7,925.80x = 11,890.58 × 2,731.52
  4. Step 4: Simplify right side
    7,925.80x = 32,479,357.08
  5. Step 5: Solve for x
    x = 32,479,357.08/7,925.80
  6. Step 6: Final answer
    x = 4,097.93

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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.