Home / 8,217.90-11,340.71-4,441.07

Finding the Fourth Proportional to 8,217.90, 11,340.71 and 4,441.07

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Solution

The fourth proportional to 8,217.90, 11,340.71 and 4,441.07 is: 6,128.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.90 : 11,340.71 = 4,441.07 : x
  2. Step 2: Convert to fraction form
    8,217.90/11,340.71 = 4,441.07/x
  3. Step 3: Cross multiply
    8,217.90x = 11,340.71 × 4,441.07
  4. Step 4: Simplify right side
    8,217.90x = 50,364,823.78
  5. Step 5: Solve for x
    x = 50,364,823.78/8,217.90
  6. Step 6: Final answer
    x = 6,128.67

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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.