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Finding the Fourth Proportional to 8,250.09, 11,385 and 4,473.18

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Solution

The fourth proportional to 8,250.09, 11,385 and 4,473.18 is: 6,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.09 : 11,385 = 4,473.18 : x
  2. Step 2: Convert to fraction form
    8,250.09/11,385 = 4,473.18/x
  3. Step 3: Cross multiply
    8,250.09x = 11,385 × 4,473.18
  4. Step 4: Simplify right side
    8,250.09x = 50,927,154.30
  5. Step 5: Solve for x
    x = 50,927,154.30/8,250.09
  6. Step 6: Final answer
    x = 6,172.92

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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.