Home / 8,018.28-11,065.38-4,481.40

Finding the Fourth Proportional to 8,018.28, 11,065.38 and 4,481.40

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Solution

The fourth proportional to 8,018.28, 11,065.38 and 4,481.40 is: 6,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.28 : 11,065.38 = 4,481.40 : x
  2. Step 2: Convert to fraction form
    8,018.28/11,065.38 = 4,481.40/x
  3. Step 3: Cross multiply
    8,018.28x = 11,065.38 × 4,481.40
  4. Step 4: Simplify right side
    8,018.28x = 49,588,393.93
  5. Step 5: Solve for x
    x = 49,588,393.93/8,018.28
  6. Step 6: Final answer
    x = 6,184.42

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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.