Home / 7,378.16-11,067.28-2,448.32

Finding the Fourth Proportional to 7,378.16, 11,067.28 and 2,448.32

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Solution

The fourth proportional to 7,378.16, 11,067.28 and 2,448.32 is: 3,672.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.16 : 11,067.28 = 2,448.32 : x
  2. Step 2: Convert to fraction form
    7,378.16/11,067.28 = 2,448.32/x
  3. Step 3: Cross multiply
    7,378.16x = 11,067.28 × 2,448.32
  4. Step 4: Simplify right side
    7,378.16x = 27,096,242.97
  5. Step 5: Solve for x
    x = 27,096,242.97/7,378.16
  6. Step 6: Final answer
    x = 3,672.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.