Home / 4,145.71-5,719.26-2,727.57

Finding the Fourth Proportional to 4,145.71, 5,719.26 and 2,727.57

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Solution

The fourth proportional to 4,145.71, 5,719.26 and 2,727.57 is: 3,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.71 : 5,719.26 = 2,727.57 : x
  2. Step 2: Convert to fraction form
    4,145.71/5,719.26 = 2,727.57/x
  3. Step 3: Cross multiply
    4,145.71x = 5,719.26 × 2,727.57
  4. Step 4: Simplify right side
    4,145.71x = 15,599,682.00
  5. Step 5: Solve for x
    x = 15,599,682.00/4,145.71
  6. Step 6: Final answer
    x = 3,762.85

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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.