Home / 5,374.45-8,064.75-2,087.12

Finding the Fourth Proportional to 5,374.45, 8,064.75 and 2,087.12

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Solution

The fourth proportional to 5,374.45, 8,064.75 and 2,087.12 is: 3,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.45 : 8,064.75 = 2,087.12 : x
  2. Step 2: Convert to fraction form
    5,374.45/8,064.75 = 2,087.12/x
  3. Step 3: Cross multiply
    5,374.45x = 8,064.75 × 2,087.12
  4. Step 4: Simplify right side
    5,374.45x = 16,832,055.48
  5. Step 5: Solve for x
    x = 16,832,055.48/5,374.45
  6. Step 6: Final answer
    x = 3,131.87

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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.