Home / 5,140.10-7,092.94-2,902.19

Finding the Fourth Proportional to 5,140.10, 7,092.94 and 2,902.19

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Solution

The fourth proportional to 5,140.10, 7,092.94 and 2,902.19 is: 4,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.10 : 7,092.94 = 2,902.19 : x
  2. Step 2: Convert to fraction form
    5,140.10/7,092.94 = 2,902.19/x
  3. Step 3: Cross multiply
    5,140.10x = 7,092.94 × 2,902.19
  4. Step 4: Simplify right side
    5,140.10x = 20,585,061.93
  5. Step 5: Solve for x
    x = 20,585,061.93/5,140.10
  6. Step 6: Final answer
    x = 4,004.80

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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.