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Finding the Fourth Proportional to 7,667.92, 11,501.88 and 2,473.80

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Solution

The fourth proportional to 7,667.92, 11,501.88 and 2,473.80 is: 3,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,667.92 : 11,501.88 = 2,473.80 : x
  2. Step 2: Convert to fraction form
    7,667.92/11,501.88 = 2,473.80/x
  3. Step 3: Cross multiply
    7,667.92x = 11,501.88 × 2,473.80
  4. Step 4: Simplify right side
    7,667.92x = 28,453,350.74
  5. Step 5: Solve for x
    x = 28,453,350.74/7,667.92
  6. Step 6: Final answer
    x = 3,710.70

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Similar ratio
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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.