Home / 6,622.17-9,138.63-3,637.94

Finding the Fourth Proportional to 6,622.17, 9,138.63 and 3,637.94

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Solution

The fourth proportional to 6,622.17, 9,138.63 and 3,637.94 is: 5,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.17 : 9,138.63 = 3,637.94 : x
  2. Step 2: Convert to fraction form
    6,622.17/9,138.63 = 3,637.94/x
  3. Step 3: Cross multiply
    6,622.17x = 9,138.63 × 3,637.94
  4. Step 4: Simplify right side
    6,622.17x = 33,245,741.93
  5. Step 5: Solve for x
    x = 33,245,741.93/6,622.17
  6. Step 6: Final answer
    x = 5,020.37

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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.