Home / 4,039.90-5,568.71-3,700.91

Finding the Fourth Proportional to 4,039.90, 5,568.71 and 3,700.91

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Solution

The fourth proportional to 4,039.90, 5,568.71 and 3,700.91 is: 5,101.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.90 : 5,568.71 = 3,700.91 : x
  2. Step 2: Convert to fraction form
    4,039.90/5,568.71 = 3,700.91/x
  3. Step 3: Cross multiply
    4,039.90x = 5,568.71 × 3,700.91
  4. Step 4: Simplify right side
    4,039.90x = 20,609,289.94
  5. Step 5: Solve for x
    x = 20,609,289.94/4,039.90
  6. Step 6: Final answer
    x = 5,101.44

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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.