Home / 4,156.68-5,732.47-3,211.05

Finding the Fourth Proportional to 4,156.68, 5,732.47 and 3,211.05

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Solution

The fourth proportional to 4,156.68, 5,732.47 and 3,211.05 is: 4,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.68 : 5,732.47 = 3,211.05 : x
  2. Step 2: Convert to fraction form
    4,156.68/5,732.47 = 3,211.05/x
  3. Step 3: Cross multiply
    4,156.68x = 5,732.47 × 3,211.05
  4. Step 4: Simplify right side
    4,156.68x = 18,407,247.79
  5. Step 5: Solve for x
    x = 18,407,247.79/4,156.68
  6. Step 6: Final answer
    x = 4,428.35

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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.