Home / 7,998.23-11,040.57-6,874.67

Finding the Fourth Proportional to 7,998.23, 11,040.57 and 6,874.67

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Solution

The fourth proportional to 7,998.23, 11,040.57 and 6,874.67 is: 9,489.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.23 : 11,040.57 = 6,874.67 : x
  2. Step 2: Convert to fraction form
    7,998.23/11,040.57 = 6,874.67/x
  3. Step 3: Cross multiply
    7,998.23x = 11,040.57 × 6,874.67
  4. Step 4: Simplify right side
    7,998.23x = 75,900,275.36
  5. Step 5: Solve for x
    x = 75,900,275.36/7,998.23
  6. Step 6: Final answer
    x = 9,489.63

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Half scale
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Double scale
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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.