Home / 7,480.11-11,220.15-3,092.73

Finding the Fourth Proportional to 7,480.11, 11,220.15 and 3,092.73

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Solution

The fourth proportional to 7,480.11, 11,220.15 and 3,092.73 is: 4,639.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.11 : 11,220.15 = 3,092.73 : x
  2. Step 2: Convert to fraction form
    7,480.11/11,220.15 = 3,092.73/x
  3. Step 3: Cross multiply
    7,480.11x = 11,220.15 × 3,092.73
  4. Step 4: Simplify right side
    7,480.11x = 34,700,894.51
  5. Step 5: Solve for x
    x = 34,700,894.51/7,480.11
  6. Step 6: Final answer
    x = 4,639.09

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Half scale
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Double scale
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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.