Home / 7,359.05-10,155.38-4,001.97

Finding the Fourth Proportional to 7,359.05, 10,155.38 and 4,001.97

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Solution

The fourth proportional to 7,359.05, 10,155.38 and 4,001.97 is: 5,522.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.05 : 10,155.38 = 4,001.97 : x
  2. Step 2: Convert to fraction form
    7,359.05/10,155.38 = 4,001.97/x
  3. Step 3: Cross multiply
    7,359.05x = 10,155.38 × 4,001.97
  4. Step 4: Simplify right side
    7,359.05x = 40,641,506.09
  5. Step 5: Solve for x
    x = 40,641,506.09/7,359.05
  6. Step 6: Final answer
    x = 5,522.66

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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.