Home / 6,621.47-9,137.79-3,637.50

Finding the Fourth Proportional to 6,621.47, 9,137.79 and 3,637.50

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Solution

The fourth proportional to 6,621.47, 9,137.79 and 3,637.50 is: 5,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.47 : 9,137.79 = 3,637.50 : x
  2. Step 2: Convert to fraction form
    6,621.47/9,137.79 = 3,637.50/x
  3. Step 3: Cross multiply
    6,621.47x = 9,137.79 × 3,637.50
  4. Step 4: Simplify right side
    6,621.47x = 33,238,711.13
  5. Step 5: Solve for x
    x = 33,238,711.13/6,621.47
  6. Step 6: Final answer
    x = 5,019.84

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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.