Home / 9,479.92-13,082.22-5,288.08

Finding the Fourth Proportional to 9,479.92, 13,082.22 and 5,288.08

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Solution

The fourth proportional to 9,479.92, 13,082.22 and 5,288.08 is: 7,297.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.92 : 13,082.22 = 5,288.08 : x
  2. Step 2: Convert to fraction form
    9,479.92/13,082.22 = 5,288.08/x
  3. Step 3: Cross multiply
    9,479.92x = 13,082.22 × 5,288.08
  4. Step 4: Simplify right side
    9,479.92x = 69,179,825.94
  5. Step 5: Solve for x
    x = 69,179,825.94/9,479.92
  6. Step 6: Final answer
    x = 7,297.51

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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.