Home / 8,288.55-11,429.60-6,400.44

Finding the Fourth Proportional to 8,288.55, 11,429.60 and 6,400.44

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Solution

The fourth proportional to 8,288.55, 11,429.60 and 6,400.44 is: 8,825.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.55 : 11,429.60 = 6,400.44 : x
  2. Step 2: Convert to fraction form
    8,288.55/11,429.60 = 6,400.44/x
  3. Step 3: Cross multiply
    8,288.55x = 11,429.60 × 6,400.44
  4. Step 4: Simplify right side
    8,288.55x = 73,154,469.02
  5. Step 5: Solve for x
    x = 73,154,469.02/8,288.55
  6. Step 6: Final answer
    x = 8,825.97

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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.