Home / 8,167.37-11,267.10-5,515.70

Finding the Fourth Proportional to 8,167.37, 11,267.10 and 5,515.70

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Solution

The fourth proportional to 8,167.37, 11,267.10 and 5,515.70 is: 7,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.37 : 11,267.10 = 5,515.70 : x
  2. Step 2: Convert to fraction form
    8,167.37/11,267.10 = 5,515.70/x
  3. Step 3: Cross multiply
    8,167.37x = 11,267.10 × 5,515.70
  4. Step 4: Simplify right side
    8,167.37x = 62,145,887.13
  5. Step 5: Solve for x
    x = 62,145,887.13/8,167.37
  6. Step 6: Final answer
    x = 7,609.05

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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.