Home / 4,941.40-6,823.05-3,898.12

Finding the Fourth Proportional to 4,941.40, 6,823.05 and 3,898.12

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Solution

The fourth proportional to 4,941.40, 6,823.05 and 3,898.12 is: 5,382.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.40 : 6,823.05 = 3,898.12 : x
  2. Step 2: Convert to fraction form
    4,941.40/6,823.05 = 3,898.12/x
  3. Step 3: Cross multiply
    4,941.40x = 6,823.05 × 3,898.12
  4. Step 4: Simplify right side
    4,941.40x = 26,597,067.67
  5. Step 5: Solve for x
    x = 26,597,067.67/4,941.40
  6. Step 6: Final answer
    x = 5,382.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.