Home / 7,429.44-10,255.52-4,288.32

Finding the Fourth Proportional to 7,429.44, 10,255.52 and 4,288.32

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Solution

The fourth proportional to 7,429.44, 10,255.52 and 4,288.32 is: 5,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.44 : 10,255.52 = 4,288.32 : x
  2. Step 2: Convert to fraction form
    7,429.44/10,255.52 = 4,288.32/x
  3. Step 3: Cross multiply
    7,429.44x = 10,255.52 × 4,288.32
  4. Step 4: Simplify right side
    7,429.44x = 43,978,951.53
  5. Step 5: Solve for x
    x = 43,978,951.53/7,429.44
  6. Step 6: Final answer
    x = 5,919.55

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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.