Home / 7,097.11-10,645.66-2,166.77

Finding the Fourth Proportional to 7,097.11, 10,645.66 and 2,166.77

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Solution

The fourth proportional to 7,097.11, 10,645.66 and 2,166.77 is: 3,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,097.11 : 10,645.66 = 2,166.77 : x
  2. Step 2: Convert to fraction form
    7,097.11/10,645.66 = 2,166.77/x
  3. Step 3: Cross multiply
    7,097.11x = 10,645.66 × 2,166.77
  4. Step 4: Simplify right side
    7,097.11x = 23,066,696.72
  5. Step 5: Solve for x
    x = 23,066,696.72/7,097.11
  6. Step 6: Final answer
    x = 3,250.15

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Half scale
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Double scale
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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.