Home / 8,257.36-11,395.15-4,720.65

Finding the Fourth Proportional to 8,257.36, 11,395.15 and 4,720.65

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Solution

The fourth proportional to 8,257.36, 11,395.15 and 4,720.65 is: 6,514.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.36 : 11,395.15 = 4,720.65 : x
  2. Step 2: Convert to fraction form
    8,257.36/11,395.15 = 4,720.65/x
  3. Step 3: Cross multiply
    8,257.36x = 11,395.15 × 4,720.65
  4. Step 4: Simplify right side
    8,257.36x = 53,792,514.85
  5. Step 5: Solve for x
    x = 53,792,514.85/8,257.36
  6. Step 6: Final answer
    x = 6,514.49

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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.