Home / 5,140.14-7,092.99-2,902.56

Finding the Fourth Proportional to 5,140.14, 7,092.99 and 2,902.56

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Solution

The fourth proportional to 5,140.14, 7,092.99 and 2,902.56 is: 4,005.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.14 : 7,092.99 = 2,902.56 : x
  2. Step 2: Convert to fraction form
    5,140.14/7,092.99 = 2,902.56/x
  3. Step 3: Cross multiply
    5,140.14x = 7,092.99 × 2,902.56
  4. Step 4: Simplify right side
    5,140.14x = 20,587,829.05
  5. Step 5: Solve for x
    x = 20,587,829.05/5,140.14
  6. Step 6: Final answer
    x = 4,005.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.