Home / 5,122.77-7,684.96-1,835.79

Finding the Fourth Proportional to 5,122.77, 7,684.96 and 1,835.79

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Solution

The fourth proportional to 5,122.77, 7,684.96 and 1,835.79 is: 2,753.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.77 : 7,684.96 = 1,835.79 : x
  2. Step 2: Convert to fraction form
    5,122.77/7,684.96 = 1,835.79/x
  3. Step 3: Cross multiply
    5,122.77x = 7,684.96 × 1,835.79
  4. Step 4: Simplify right side
    5,122.77x = 14,107,972.72
  5. Step 5: Solve for x
    x = 14,107,972.72/5,122.77
  6. Step 6: Final answer
    x = 2,753.97

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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.