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Finding the Fourth Proportional to 8,667.84, 11,944.16 and 6,270.11

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Solution

The fourth proportional to 8,667.84, 11,944.16 and 6,270.11 is: 8,640.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.84 : 11,944.16 = 6,270.11 : x
  2. Step 2: Convert to fraction form
    8,667.84/11,944.16 = 6,270.11/x
  3. Step 3: Cross multiply
    8,667.84x = 11,944.16 × 6,270.11
  4. Step 4: Simplify right side
    8,667.84x = 74,891,174.29
  5. Step 5: Solve for x
    x = 74,891,174.29/8,667.84
  6. Step 6: Final answer
    x = 8,640.12

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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.