Home / 8,207.28-11,317.05-5,550.12

Finding the Fourth Proportional to 8,207.28, 11,317.05 and 5,550.12

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Solution

The fourth proportional to 8,207.28, 11,317.05 and 5,550.12 is: 7,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.28 : 11,317.05 = 5,550.12 : x
  2. Step 2: Convert to fraction form
    8,207.28/11,317.05 = 5,550.12/x
  3. Step 3: Cross multiply
    8,207.28x = 11,317.05 × 5,550.12
  4. Step 4: Simplify right side
    8,207.28x = 62,810,985.55
  5. Step 5: Solve for x
    x = 62,810,985.55/8,207.28
  6. Step 6: Final answer
    x = 7,653.08

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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.