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Finding the Fourth Proportional to 9,794.01, 13,515.75 and 5,317.76

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Solution

The fourth proportional to 9,794.01, 13,515.75 and 5,317.76 is: 7,338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,794.01 : 13,515.75 = 5,317.76 : x
  2. Step 2: Convert to fraction form
    9,794.01/13,515.75 = 5,317.76/x
  3. Step 3: Cross multiply
    9,794.01x = 13,515.75 × 5,317.76
  4. Step 4: Simplify right side
    9,794.01x = 71,873,514.72
  5. Step 5: Solve for x
    x = 71,873,514.72/9,794.01
  6. Step 6: Final answer
    x = 7,338.52

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Double scale
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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.