Home / 7,881.38-10,875.82-4,344.62

Finding the Fourth Proportional to 7,881.38, 10,875.82 and 4,344.62

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Solution

The fourth proportional to 7,881.38, 10,875.82 and 4,344.62 is: 5,995.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.38 : 10,875.82 = 4,344.62 : x
  2. Step 2: Convert to fraction form
    7,881.38/10,875.82 = 4,344.62/x
  3. Step 3: Cross multiply
    7,881.38x = 10,875.82 × 4,344.62
  4. Step 4: Simplify right side
    7,881.38x = 47,251,305.09
  5. Step 5: Solve for x
    x = 47,251,305.09/7,881.38
  6. Step 6: Final answer
    x = 5,995.31

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1.5x scale

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.