Home / 7,432.39-10,256.32-4,288.38

Finding the Fourth Proportional to 7,432.39, 10,256.32 and 4,288.38

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Solution

The fourth proportional to 7,432.39, 10,256.32 and 4,288.38 is: 5,917.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.39 : 10,256.32 = 4,288.38 : x
  2. Step 2: Convert to fraction form
    7,432.39/10,256.32 = 4,288.38/x
  3. Step 3: Cross multiply
    7,432.39x = 10,256.32 × 4,288.38
  4. Step 4: Simplify right side
    7,432.39x = 43,982,997.56
  5. Step 5: Solve for x
    x = 43,982,997.56/7,432.39
  6. Step 6: Final answer
    x = 5,917.75

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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.