Home / 3,918.56-5,899.22-3,574.11

Finding the Fourth Proportional to 3,918.56, 5,899.22 and 3,574.11

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Solution

The fourth proportional to 3,918.56, 5,899.22 and 3,574.11 is: 5,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.56 : 5,899.22 = 3,574.11 : x
  2. Step 2: Convert to fraction form
    3,918.56/5,899.22 = 3,574.11/x
  3. Step 3: Cross multiply
    3,918.56x = 5,899.22 × 3,574.11
  4. Step 4: Simplify right side
    3,918.56x = 21,084,445.67
  5. Step 5: Solve for x
    x = 21,084,445.67/3,918.56
  6. Step 6: Final answer
    x = 5,380.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.