Home / 6,621.26-9,138.09-3,637.35

Finding the Fourth Proportional to 6,621.26, 9,138.09 and 3,637.35

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Solution

The fourth proportional to 6,621.26, 9,138.09 and 3,637.35 is: 5,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.26 : 9,138.09 = 3,637.35 : x
  2. Step 2: Convert to fraction form
    6,621.26/9,138.09 = 3,637.35/x
  3. Step 3: Cross multiply
    6,621.26x = 9,138.09 × 3,637.35
  4. Step 4: Simplify right side
    6,621.26x = 33,238,431.66
  5. Step 5: Solve for x
    x = 33,238,431.66/6,621.26
  6. Step 6: Final answer
    x = 5,019.96

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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.