Home / 4,140.79-6,211.35-1,947.99

Finding the Fourth Proportional to 4,140.79, 6,211.35 and 1,947.99

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Solution

The fourth proportional to 4,140.79, 6,211.35 and 1,947.99 is: 2,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.79 : 6,211.35 = 1,947.99 : x
  2. Step 2: Convert to fraction form
    4,140.79/6,211.35 = 1,947.99/x
  3. Step 3: Cross multiply
    4,140.79x = 6,211.35 × 1,947.99
  4. Step 4: Simplify right side
    4,140.79x = 12,099,647.69
  5. Step 5: Solve for x
    x = 12,099,647.69/4,140.79
  6. Step 6: Final answer
    x = 2,922.06

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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.