Home / 5,214.71-7,197.57-3,538.91

Finding the Fourth Proportional to 5,214.71, 7,197.57 and 3,538.91

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Solution

The fourth proportional to 5,214.71, 7,197.57 and 3,538.91 is: 4,884.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.71 : 7,197.57 = 3,538.91 : x
  2. Step 2: Convert to fraction form
    5,214.71/7,197.57 = 3,538.91/x
  3. Step 3: Cross multiply
    5,214.71x = 7,197.57 × 3,538.91
  4. Step 4: Simplify right side
    5,214.71x = 25,471,516.46
  5. Step 5: Solve for x
    x = 25,471,516.46/5,214.71
  6. Step 6: Final answer
    x = 4,884.56

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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.