Home / 4,139.04-6,209.91-1,947.99

Finding the Fourth Proportional to 4,139.04, 6,209.91 and 1,947.99

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Solution

The fourth proportional to 4,139.04, 6,209.91 and 1,947.99 is: 2,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.04 : 6,209.91 = 1,947.99 : x
  2. Step 2: Convert to fraction form
    4,139.04/6,209.91 = 1,947.99/x
  3. Step 3: Cross multiply
    4,139.04x = 6,209.91 × 1,947.99
  4. Step 4: Simplify right side
    4,139.04x = 12,096,842.58
  5. Step 5: Solve for x
    x = 12,096,842.58/4,139.04
  6. Step 6: Final answer
    x = 2,922.62

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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.