Home / 7,160.48-10,738.56-4,238

Finding the Fourth Proportional to 7,160.48, 10,738.56 and 4,238

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Solution

The fourth proportional to 7,160.48, 10,738.56 and 4,238 is: 6,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.48 : 10,738.56 = 4,238 : x
  2. Step 2: Convert to fraction form
    7,160.48/10,738.56 = 4,238/x
  3. Step 3: Cross multiply
    7,160.48x = 10,738.56 × 4,238
  4. Step 4: Simplify right side
    7,160.48x = 45,510,017.28
  5. Step 5: Solve for x
    x = 45,510,017.28/7,160.48
  6. Step 6: Final answer
    x = 6,355.72

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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.