Home / 8,342.19-11,514.51-4,987.26

Finding the Fourth Proportional to 8,342.19, 11,514.51 and 4,987.26

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Solution

The fourth proportional to 8,342.19, 11,514.51 and 4,987.26 is: 6,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.19 : 11,514.51 = 4,987.26 : x
  2. Step 2: Convert to fraction form
    8,342.19/11,514.51 = 4,987.26/x
  3. Step 3: Cross multiply
    8,342.19x = 11,514.51 × 4,987.26
  4. Step 4: Simplify right side
    8,342.19x = 57,425,855.14
  5. Step 5: Solve for x
    x = 57,425,855.14/8,342.19
  6. Step 6: Final answer
    x = 6,883.79

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Half scale
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Double scale
Find fourth proportional to 8,343.19, 11,515.89 and 4,988.26
Similar ratio
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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.