Home / 5,534.28-7,636.62-3,143.39

Finding the Fourth Proportional to 5,534.28, 7,636.62 and 3,143.39

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Solution

The fourth proportional to 5,534.28, 7,636.62 and 3,143.39 is: 4,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.28 : 7,636.62 = 3,143.39 : x
  2. Step 2: Convert to fraction form
    5,534.28/7,636.62 = 3,143.39/x
  3. Step 3: Cross multiply
    5,534.28x = 7,636.62 × 3,143.39
  4. Step 4: Simplify right side
    5,534.28x = 24,004,836.76
  5. Step 5: Solve for x
    x = 24,004,836.76/5,534.28
  6. Step 6: Final answer
    x = 4,337.48

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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.