Home / 9,359.92-12,919.55-5,775.97

Finding the Fourth Proportional to 9,359.92, 12,919.55 and 5,775.97

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Solution

The fourth proportional to 9,359.92, 12,919.55 and 5,775.97 is: 7,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.92 : 12,919.55 = 5,775.97 : x
  2. Step 2: Convert to fraction form
    9,359.92/12,919.55 = 5,775.97/x
  3. Step 3: Cross multiply
    9,359.92x = 12,919.55 × 5,775.97
  4. Step 4: Simplify right side
    9,359.92x = 74,622,872.03
  5. Step 5: Solve for x
    x = 74,622,872.03/9,359.92
  6. Step 6: Final answer
    x = 7,972.60

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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.