Home / 7,443.87-10,272.65-4,086.99

Finding the Fourth Proportional to 7,443.87, 10,272.65 and 4,086.99

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Solution

The fourth proportional to 7,443.87, 10,272.65 and 4,086.99 is: 5,640.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.87 : 10,272.65 = 4,086.99 : x
  2. Step 2: Convert to fraction form
    7,443.87/10,272.65 = 4,086.99/x
  3. Step 3: Cross multiply
    7,443.87x = 10,272.65 × 4,086.99
  4. Step 4: Simplify right side
    7,443.87x = 41,984,197.39
  5. Step 5: Solve for x
    x = 41,984,197.39/7,443.87
  6. Step 6: Final answer
    x = 5,640.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.