Home / 8,119.24-11,204.32-4,582.78

Finding the Fourth Proportional to 8,119.24, 11,204.32 and 4,582.78

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Solution

The fourth proportional to 8,119.24, 11,204.32 and 4,582.78 is: 6,324.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.24 : 11,204.32 = 4,582.78 : x
  2. Step 2: Convert to fraction form
    8,119.24/11,204.32 = 4,582.78/x
  3. Step 3: Cross multiply
    8,119.24x = 11,204.32 × 4,582.78
  4. Step 4: Simplify right side
    8,119.24x = 51,346,933.61
  5. Step 5: Solve for x
    x = 51,346,933.61/8,119.24
  6. Step 6: Final answer
    x = 6,324.11

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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.