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Finding the Fourth Proportional to 6,240.44, 9,363.72 and 3,899.84

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Solution

The fourth proportional to 6,240.44, 9,363.72 and 3,899.84 is: 5,851.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.44 : 9,363.72 = 3,899.84 : x
  2. Step 2: Convert to fraction form
    6,240.44/9,363.72 = 3,899.84/x
  3. Step 3: Cross multiply
    6,240.44x = 9,363.72 × 3,899.84
  4. Step 4: Simplify right side
    6,240.44x = 36,517,009.80
  5. Step 5: Solve for x
    x = 36,517,009.80/6,240.44
  6. Step 6: Final answer
    x = 5,851.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.