Home / 6,621.48-9,137.57-3,637.33

Finding the Fourth Proportional to 6,621.48, 9,137.57 and 3,637.33

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Solution

The fourth proportional to 6,621.48, 9,137.57 and 3,637.33 is: 5,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.48 : 9,137.57 = 3,637.33 : x
  2. Step 2: Convert to fraction form
    6,621.48/9,137.57 = 3,637.33/x
  3. Step 3: Cross multiply
    6,621.48x = 9,137.57 × 3,637.33
  4. Step 4: Simplify right side
    6,621.48x = 33,236,316.46
  5. Step 5: Solve for x
    x = 33,236,316.46/6,621.48
  6. Step 6: Final answer
    x = 5,019.47

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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.