Home / 4,140.30-6,205.14-1,944.18

Finding the Fourth Proportional to 4,140.30, 6,205.14 and 1,944.18

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Solution

The fourth proportional to 4,140.30, 6,205.14 and 1,944.18 is: 2,913.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.30 : 6,205.14 = 1,944.18 : x
  2. Step 2: Convert to fraction form
    4,140.30/6,205.14 = 1,944.18/x
  3. Step 3: Cross multiply
    4,140.30x = 6,205.14 × 1,944.18
  4. Step 4: Simplify right side
    4,140.30x = 12,063,909.09
  5. Step 5: Solve for x
    x = 12,063,909.09/4,140.30
  6. Step 6: Final answer
    x = 2,913.78

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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.