Home / 5,042.51-7,561.46-2,119.22

Finding the Fourth Proportional to 5,042.51, 7,561.46 and 2,119.22

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Solution

The fourth proportional to 5,042.51, 7,561.46 and 2,119.22 is: 3,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.51 : 7,561.46 = 2,119.22 : x
  2. Step 2: Convert to fraction form
    5,042.51/7,561.46 = 2,119.22/x
  3. Step 3: Cross multiply
    5,042.51x = 7,561.46 × 2,119.22
  4. Step 4: Simplify right side
    5,042.51x = 16,024,364.75
  5. Step 5: Solve for x
    x = 16,024,364.75/5,042.51
  6. Step 6: Final answer
    x = 3,177.86

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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.