Home / 4,139.84-6,206.73-1,947.38

Finding the Fourth Proportional to 4,139.84, 6,206.73 and 1,947.38

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Solution

The fourth proportional to 4,139.84, 6,206.73 and 1,947.38 is: 2,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.84 : 6,206.73 = 1,947.38 : x
  2. Step 2: Convert to fraction form
    4,139.84/6,206.73 = 1,947.38/x
  3. Step 3: Cross multiply
    4,139.84x = 6,206.73 × 1,947.38
  4. Step 4: Simplify right side
    4,139.84x = 12,086,823.53
  5. Step 5: Solve for x
    x = 12,086,823.53/4,139.84
  6. Step 6: Final answer
    x = 2,919.63

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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.