Home / 3,637.50-5,428.77-3,287.58

Finding the Fourth Proportional to 3,637.50, 5,428.77 and 3,287.58

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Solution

The fourth proportional to 3,637.50, 5,428.77 and 3,287.58 is: 4,906.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.50 : 5,428.77 = 3,287.58 : x
  2. Step 2: Convert to fraction form
    3,637.50/5,428.77 = 3,287.58/x
  3. Step 3: Cross multiply
    3,637.50x = 5,428.77 × 3,287.58
  4. Step 4: Simplify right side
    3,637.50x = 17,847,515.68
  5. Step 5: Solve for x
    x = 17,847,515.68/3,637.50
  6. Step 6: Final answer
    x = 4,906.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.