Home / 4,059.71-6,089.78-1,286.68

Finding the Fourth Proportional to 4,059.71, 6,089.78 and 1,286.68

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Solution

The fourth proportional to 4,059.71, 6,089.78 and 1,286.68 is: 1,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,059.71 : 6,089.78 = 1,286.68 : x
  2. Step 2: Convert to fraction form
    4,059.71/6,089.78 = 1,286.68/x
  3. Step 3: Cross multiply
    4,059.71x = 6,089.78 × 1,286.68
  4. Step 4: Simplify right side
    4,059.71x = 7,835,598.13
  5. Step 5: Solve for x
    x = 7,835,598.13/4,059.71
  6. Step 6: Final answer
    x = 1,930.09

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1.5x scale

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.