Home / 4,388.40-6,575.31-3,087.14

Finding the Fourth Proportional to 4,388.40, 6,575.31 and 3,087.14

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Solution

The fourth proportional to 4,388.40, 6,575.31 and 3,087.14 is: 4,625.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388.40 : 6,575.31 = 3,087.14 : x
  2. Step 2: Convert to fraction form
    4,388.40/6,575.31 = 3,087.14/x
  3. Step 3: Cross multiply
    4,388.40x = 6,575.31 × 3,087.14
  4. Step 4: Simplify right side
    4,388.40x = 20,298,869.64
  5. Step 5: Solve for x
    x = 20,298,869.64/4,388.40
  6. Step 6: Final answer
    x = 4,625.57

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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.