Home / 8,266.67-11,403.21-5,279.16

Finding the Fourth Proportional to 8,266.67, 11,403.21 and 5,279.16

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Solution

The fourth proportional to 8,266.67, 11,403.21 and 5,279.16 is: 7,282.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.67 : 11,403.21 = 5,279.16 : x
  2. Step 2: Convert to fraction form
    8,266.67/11,403.21 = 5,279.16/x
  3. Step 3: Cross multiply
    8,266.67x = 11,403.21 × 5,279.16
  4. Step 4: Simplify right side
    8,266.67x = 60,199,370.10
  5. Step 5: Solve for x
    x = 60,199,370.10/8,266.67
  6. Step 6: Final answer
    x = 7,282.18

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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.