Home / 5,010.29-7,511.38-2,090.78

Finding the Fourth Proportional to 5,010.29, 7,511.38 and 2,090.78

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Solution

The fourth proportional to 5,010.29, 7,511.38 and 2,090.78 is: 3,134.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.29 : 7,511.38 = 2,090.78 : x
  2. Step 2: Convert to fraction form
    5,010.29/7,511.38 = 2,090.78/x
  3. Step 3: Cross multiply
    5,010.29x = 7,511.38 × 2,090.78
  4. Step 4: Simplify right side
    5,010.29x = 15,704,600.29
  5. Step 5: Solve for x
    x = 15,704,600.29/5,010.29
  6. Step 6: Final answer
    x = 3,134.47

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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.