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Finding the Fourth Proportional to 7,445.84, 11,169.84 and 2,252.16

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Solution

The fourth proportional to 7,445.84, 11,169.84 and 2,252.16 is: 3,378.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.84 : 11,169.84 = 2,252.16 : x
  2. Step 2: Convert to fraction form
    7,445.84/11,169.84 = 2,252.16/x
  3. Step 3: Cross multiply
    7,445.84x = 11,169.84 × 2,252.16
  4. Step 4: Simplify right side
    7,445.84x = 25,156,266.85
  5. Step 5: Solve for x
    x = 25,156,266.85/7,445.84
  6. Step 6: Final answer
    x = 3,378.57

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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.