Home / 3,755.18-5,639.13-3,606.23

Finding the Fourth Proportional to 3,755.18, 5,639.13 and 3,606.23

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Solution

The fourth proportional to 3,755.18, 5,639.13 and 3,606.23 is: 5,415.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.18 : 5,639.13 = 3,606.23 : x
  2. Step 2: Convert to fraction form
    3,755.18/5,639.13 = 3,606.23/x
  3. Step 3: Cross multiply
    3,755.18x = 5,639.13 × 3,606.23
  4. Step 4: Simplify right side
    3,755.18x = 20,335,971.58
  5. Step 5: Solve for x
    x = 20,335,971.58/3,755.18
  6. Step 6: Final answer
    x = 5,415.45

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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.