Home / 8,018.40-11,065.10-4,481.67

Finding the Fourth Proportional to 8,018.40, 11,065.10 and 4,481.67

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Solution

The fourth proportional to 8,018.40, 11,065.10 and 4,481.67 is: 6,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.40 : 11,065.10 = 4,481.67 : x
  2. Step 2: Convert to fraction form
    8,018.40/11,065.10 = 4,481.67/x
  3. Step 3: Cross multiply
    8,018.40x = 11,065.10 × 4,481.67
  4. Step 4: Simplify right side
    8,018.40x = 49,590,104.31
  5. Step 5: Solve for x
    x = 49,590,104.31/8,018.40
  6. Step 6: Final answer
    x = 6,184.54

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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.