Home / 3,755.05-5,637.21-3,561.31

Finding the Fourth Proportional to 3,755.05, 5,637.21 and 3,561.31

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Solution

The fourth proportional to 3,755.05, 5,637.21 and 3,561.31 is: 5,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.05 : 5,637.21 = 3,561.31 : x
  2. Step 2: Convert to fraction form
    3,755.05/5,637.21 = 3,561.31/x
  3. Step 3: Cross multiply
    3,755.05x = 5,637.21 × 3,561.31
  4. Step 4: Simplify right side
    3,755.05x = 20,075,838.25
  5. Step 5: Solve for x
    x = 20,075,838.25/3,755.05
  6. Step 6: Final answer
    x = 5,346.36

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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.