Home / 5,119.85-7,062.80-2,993.99

Finding the Fourth Proportional to 5,119.85, 7,062.80 and 2,993.99

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Solution

The fourth proportional to 5,119.85, 7,062.80 and 2,993.99 is: 4,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.85 : 7,062.80 = 2,993.99 : x
  2. Step 2: Convert to fraction form
    5,119.85/7,062.80 = 2,993.99/x
  3. Step 3: Cross multiply
    5,119.85x = 7,062.80 × 2,993.99
  4. Step 4: Simplify right side
    5,119.85x = 21,145,902.29
  5. Step 5: Solve for x
    x = 21,145,902.29/5,119.85
  6. Step 6: Final answer
    x = 4,130.18

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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.