Home / 4,011.07-5,537.21-2,519.81

Finding the Fourth Proportional to 4,011.07, 5,537.21 and 2,519.81

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Solution

The fourth proportional to 4,011.07, 5,537.21 and 2,519.81 is: 3,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,011.07 : 5,537.21 = 2,519.81 : x
  2. Step 2: Convert to fraction form
    4,011.07/5,537.21 = 2,519.81/x
  3. Step 3: Cross multiply
    4,011.07x = 5,537.21 × 2,519.81
  4. Step 4: Simplify right side
    4,011.07x = 13,952,711.78
  5. Step 5: Solve for x
    x = 13,952,711.78/4,011.07
  6. Step 6: Final answer
    x = 3,478.55

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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.