Home / 8,125.20-11,214.72-5,296.68

Finding the Fourth Proportional to 8,125.20, 11,214.72 and 5,296.68

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Solution

The fourth proportional to 8,125.20, 11,214.72 and 5,296.68 is: 7,310.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.20 : 11,214.72 = 5,296.68 : x
  2. Step 2: Convert to fraction form
    8,125.20/11,214.72 = 5,296.68/x
  3. Step 3: Cross multiply
    8,125.20x = 11,214.72 × 5,296.68
  4. Step 4: Simplify right side
    8,125.20x = 59,400,783.13
  5. Step 5: Solve for x
    x = 59,400,783.13/8,125.20
  6. Step 6: Final answer
    x = 7,310.69

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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.