Home / 7,743.52-11,621.04-4,287.52

Finding the Fourth Proportional to 7,743.52, 11,621.04 and 4,287.52

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Solution

The fourth proportional to 7,743.52, 11,621.04 and 4,287.52 is: 6,434.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.52 : 11,621.04 = 4,287.52 : x
  2. Step 2: Convert to fraction form
    7,743.52/11,621.04 = 4,287.52/x
  3. Step 3: Cross multiply
    7,743.52x = 11,621.04 × 4,287.52
  4. Step 4: Simplify right side
    7,743.52x = 49,825,441.42
  5. Step 5: Solve for x
    x = 49,825,441.42/7,743.52
  6. Step 6: Final answer
    x = 6,434.47

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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.