Home / 6,621.51-9,137.91-3,637.62

Finding the Fourth Proportional to 6,621.51, 9,137.91 and 3,637.62

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Solution

The fourth proportional to 6,621.51, 9,137.91 and 3,637.62 is: 5,020.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.51 : 9,137.91 = 3,637.62 : x
  2. Step 2: Convert to fraction form
    6,621.51/9,137.91 = 3,637.62/x
  3. Step 3: Cross multiply
    6,621.51x = 9,137.91 × 3,637.62
  4. Step 4: Simplify right side
    6,621.51x = 33,240,244.17
  5. Step 5: Solve for x
    x = 33,240,244.17/6,621.51
  6. Step 6: Final answer
    x = 5,020.04

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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.