Home / 7,388.70-11,083.05-3,685.38

Finding the Fourth Proportional to 7,388.70, 11,083.05 and 3,685.38

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Solution

The fourth proportional to 7,388.70, 11,083.05 and 3,685.38 is: 5,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.70 : 11,083.05 = 3,685.38 : x
  2. Step 2: Convert to fraction form
    7,388.70/11,083.05 = 3,685.38/x
  3. Step 3: Cross multiply
    7,388.70x = 11,083.05 × 3,685.38
  4. Step 4: Simplify right side
    7,388.70x = 40,845,250.81
  5. Step 5: Solve for x
    x = 40,845,250.81/7,388.70
  6. Step 6: Final answer
    x = 5,528.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.