Home / 5,186.66-7,156.32-2,948

Finding the Fourth Proportional to 5,186.66, 7,156.32 and 2,948

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Solution

The fourth proportional to 5,186.66, 7,156.32 and 2,948 is: 4,067.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.66 : 7,156.32 = 2,948 : x
  2. Step 2: Convert to fraction form
    5,186.66/7,156.32 = 2,948/x
  3. Step 3: Cross multiply
    5,186.66x = 7,156.32 × 2,948
  4. Step 4: Simplify right side
    5,186.66x = 21,096,831.36
  5. Step 5: Solve for x
    x = 21,096,831.36/5,186.66
  6. Step 6: Final answer
    x = 4,067.52

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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.