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Finding the Fourth Proportional to 8,911.84, 13,366.68 and 4,532.44

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Solution

The fourth proportional to 8,911.84, 13,366.68 and 4,532.44 is: 6,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.84 : 13,366.68 = 4,532.44 : x
  2. Step 2: Convert to fraction form
    8,911.84/13,366.68 = 4,532.44/x
  3. Step 3: Cross multiply
    8,911.84x = 13,366.68 × 4,532.44
  4. Step 4: Simplify right side
    8,911.84x = 60,583,675.10
  5. Step 5: Solve for x
    x = 60,583,675.10/8,911.84
  6. Step 6: Final answer
    x = 6,798.11

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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.