Home / 8,261.19-11,402.37-5,279.58

Finding the Fourth Proportional to 8,261.19, 11,402.37 and 5,279.58

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Solution

The fourth proportional to 8,261.19, 11,402.37 and 5,279.58 is: 7,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.19 : 11,402.37 = 5,279.58 : x
  2. Step 2: Convert to fraction form
    8,261.19/11,402.37 = 5,279.58/x
  3. Step 3: Cross multiply
    8,261.19x = 11,402.37 × 5,279.58
  4. Step 4: Simplify right side
    8,261.19x = 60,199,724.60
  5. Step 5: Solve for x
    x = 60,199,724.60/8,261.19
  6. Step 6: Final answer
    x = 7,287.05

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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.