Home / 4,526.39-6,785.81-3,142.43

Finding the Fourth Proportional to 4,526.39, 6,785.81 and 3,142.43

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Solution

The fourth proportional to 4,526.39, 6,785.81 and 3,142.43 is: 4,711.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,526.39 : 6,785.81 = 3,142.43 : x
  2. Step 2: Convert to fraction form
    4,526.39/6,785.81 = 3,142.43/x
  3. Step 3: Cross multiply
    4,526.39x = 6,785.81 × 3,142.43
  4. Step 4: Simplify right side
    4,526.39x = 21,323,932.92
  5. Step 5: Solve for x
    x = 21,323,932.92/4,526.39
  6. Step 6: Final answer
    x = 4,711.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.