Home / 8,257.25-11,386.32-6,369.14

Finding the Fourth Proportional to 8,257.25, 11,386.32 and 6,369.14

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Solution

The fourth proportional to 8,257.25, 11,386.32 and 6,369.14 is: 8,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.25 : 11,386.32 = 6,369.14 : x
  2. Step 2: Convert to fraction form
    8,257.25/11,386.32 = 6,369.14/x
  3. Step 3: Cross multiply
    8,257.25x = 11,386.32 × 6,369.14
  4. Step 4: Simplify right side
    8,257.25x = 72,521,066.16
  5. Step 5: Solve for x
    x = 72,521,066.16/8,257.25
  6. Step 6: Final answer
    x = 8,782.71

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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.