Home / 7,663.81-11,495.70-2,117.14

Finding the Fourth Proportional to 7,663.81, 11,495.70 and 2,117.14

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Solution

The fourth proportional to 7,663.81, 11,495.70 and 2,117.14 is: 3,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.81 : 11,495.70 = 2,117.14 : x
  2. Step 2: Convert to fraction form
    7,663.81/11,495.70 = 2,117.14/x
  3. Step 3: Cross multiply
    7,663.81x = 11,495.70 × 2,117.14
  4. Step 4: Simplify right side
    7,663.81x = 24,338,028.61
  5. Step 5: Solve for x
    x = 24,338,028.61/7,663.81
  6. Step 6: Final answer
    x = 3,175.71

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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.