Home / 6,610.40-9,909.30-2,225.60

Finding the Fourth Proportional to 6,610.40, 9,909.30 and 2,225.60

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Solution

The fourth proportional to 6,610.40, 9,909.30 and 2,225.60 is: 3,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.40 : 9,909.30 = 2,225.60 : x
  2. Step 2: Convert to fraction form
    6,610.40/9,909.30 = 2,225.60/x
  3. Step 3: Cross multiply
    6,610.40x = 9,909.30 × 2,225.60
  4. Step 4: Simplify right side
    6,610.40x = 22,054,138.08
  5. Step 5: Solve for x
    x = 22,054,138.08/6,610.40
  6. Step 6: Final answer
    x = 3,336.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.