Home / 4,405.19-6,615.68-4,229.01

Finding the Fourth Proportional to 4,405.19, 6,615.68 and 4,229.01

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Solution

The fourth proportional to 4,405.19, 6,615.68 and 4,229.01 is: 6,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.19 : 6,615.68 = 4,229.01 : x
  2. Step 2: Convert to fraction form
    4,405.19/6,615.68 = 4,229.01/x
  3. Step 3: Cross multiply
    4,405.19x = 6,615.68 × 4,229.01
  4. Step 4: Simplify right side
    4,405.19x = 27,977,755.73
  5. Step 5: Solve for x
    x = 27,977,755.73/4,405.19
  6. Step 6: Final answer
    x = 6,351.10

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1.5x scale

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.