Home / 5,028.96-7,539.80-2,108.12

Finding the Fourth Proportional to 5,028.96, 7,539.80 and 2,108.12

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Solution

The fourth proportional to 5,028.96, 7,539.80 and 2,108.12 is: 3,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.96 : 7,539.80 = 2,108.12 : x
  2. Step 2: Convert to fraction form
    5,028.96/7,539.80 = 2,108.12/x
  3. Step 3: Cross multiply
    5,028.96x = 7,539.80 × 2,108.12
  4. Step 4: Simplify right side
    5,028.96x = 15,894,803.18
  5. Step 5: Solve for x
    x = 15,894,803.18/5,028.96
  6. Step 6: Final answer
    x = 3,160.65

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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.