Home / 8,321.48-11,484.77-5,296.90

Finding the Fourth Proportional to 8,321.48, 11,484.77 and 5,296.90

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Solution

The fourth proportional to 8,321.48, 11,484.77 and 5,296.90 is: 7,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321.48 : 11,484.77 = 5,296.90 : x
  2. Step 2: Convert to fraction form
    8,321.48/11,484.77 = 5,296.90/x
  3. Step 3: Cross multiply
    8,321.48x = 11,484.77 × 5,296.90
  4. Step 4: Simplify right side
    8,321.48x = 60,833,644.55
  5. Step 5: Solve for x
    x = 60,833,644.55/8,321.48
  6. Step 6: Final answer
    x = 7,310.44

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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.