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Finding the Fourth Proportional to 8,782.08, 13,175.09 and 4,624.04

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Solution

The fourth proportional to 8,782.08, 13,175.09 and 4,624.04 is: 6,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.08 : 13,175.09 = 4,624.04 : x
  2. Step 2: Convert to fraction form
    8,782.08/13,175.09 = 4,624.04/x
  3. Step 3: Cross multiply
    8,782.08x = 13,175.09 × 4,624.04
  4. Step 4: Simplify right side
    8,782.08x = 60,922,120.04
  5. Step 5: Solve for x
    x = 60,922,120.04/8,782.08
  6. Step 6: Final answer
    x = 6,937.10

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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.