Home / 4,143.56-5,715.78-2,727.32

Finding the Fourth Proportional to 4,143.56, 5,715.78 and 2,727.32

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Solution

The fourth proportional to 4,143.56, 5,715.78 and 2,727.32 is: 3,762.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.56 : 5,715.78 = 2,727.32 : x
  2. Step 2: Convert to fraction form
    4,143.56/5,715.78 = 2,727.32/x
  3. Step 3: Cross multiply
    4,143.56x = 5,715.78 × 2,727.32
  4. Step 4: Simplify right side
    4,143.56x = 15,588,761.11
  5. Step 5: Solve for x
    x = 15,588,761.11/4,143.56
  6. Step 6: Final answer
    x = 3,762.17

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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.