Home / 5,010.49-7,514.51-2,087.20

Finding the Fourth Proportional to 5,010.49, 7,514.51 and 2,087.20

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Solution

The fourth proportional to 5,010.49, 7,514.51 and 2,087.20 is: 3,130.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.49 : 7,514.51 = 2,087.20 : x
  2. Step 2: Convert to fraction form
    5,010.49/7,514.51 = 2,087.20/x
  3. Step 3: Cross multiply
    5,010.49x = 7,514.51 × 2,087.20
  4. Step 4: Simplify right side
    5,010.49x = 15,684,247.70
  5. Step 5: Solve for x
    x = 15,684,247.70/5,010.49
  6. Step 6: Final answer
    x = 3,130.29

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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.