Home / 6,419.22-9,620.87-3,637.46

Finding the Fourth Proportional to 6,419.22, 9,620.87 and 3,637.46

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Solution

The fourth proportional to 6,419.22, 9,620.87 and 3,637.46 is: 5,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.22 : 9,620.87 = 3,637.46 : x
  2. Step 2: Convert to fraction form
    6,419.22/9,620.87 = 3,637.46/x
  3. Step 3: Cross multiply
    6,419.22x = 9,620.87 × 3,637.46
  4. Step 4: Simplify right side
    6,419.22x = 34,995,529.79
  5. Step 5: Solve for x
    x = 34,995,529.79/6,419.22
  6. Step 6: Final answer
    x = 5,451.68

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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.