Home / 4,963.12-7,448.76-2,191.79

Finding the Fourth Proportional to 4,963.12, 7,448.76 and 2,191.79

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Solution

The fourth proportional to 4,963.12, 7,448.76 and 2,191.79 is: 3,289.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,963.12 : 7,448.76 = 2,191.79 : x
  2. Step 2: Convert to fraction form
    4,963.12/7,448.76 = 2,191.79/x
  3. Step 3: Cross multiply
    4,963.12x = 7,448.76 × 2,191.79
  4. Step 4: Simplify right side
    4,963.12x = 16,326,136.30
  5. Step 5: Solve for x
    x = 16,326,136.30/4,963.12
  6. Step 6: Final answer
    x = 3,289.49

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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.