Home / 5,248.94-7,873.86-2,131.55

Finding the Fourth Proportional to 5,248.94, 7,873.86 and 2,131.55

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Solution

The fourth proportional to 5,248.94, 7,873.86 and 2,131.55 is: 3,197.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.94 : 7,873.86 = 2,131.55 : x
  2. Step 2: Convert to fraction form
    5,248.94/7,873.86 = 2,131.55/x
  3. Step 3: Cross multiply
    5,248.94x = 7,873.86 × 2,131.55
  4. Step 4: Simplify right side
    5,248.94x = 16,783,526.28
  5. Step 5: Solve for x
    x = 16,783,526.28/5,248.94
  6. Step 6: Final answer
    x = 3,197.51

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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.