Home / 5,010-7,515.69-2,087.63

Finding the Fourth Proportional to 5,010, 7,515.69 and 2,087.63

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Solution

The fourth proportional to 5,010, 7,515.69 and 2,087.63 is: 3,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010 : 7,515.69 = 2,087.63 : x
  2. Step 2: Convert to fraction form
    5,010/7,515.69 = 2,087.63/x
  3. Step 3: Cross multiply
    5,010x = 7,515.69 × 2,087.63
  4. Step 4: Simplify right side
    5,010x = 15,689,979.91
  5. Step 5: Solve for x
    x = 15,689,979.91/5,010
  6. Step 6: Final answer
    x = 3,131.73

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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.