Home / 5,156.25-7,734.34-1,869.27

Finding the Fourth Proportional to 5,156.25, 7,734.34 and 1,869.27

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Solution

The fourth proportional to 5,156.25, 7,734.34 and 1,869.27 is: 2,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.25 : 7,734.34 = 1,869.27 : x
  2. Step 2: Convert to fraction form
    5,156.25/7,734.34 = 1,869.27/x
  3. Step 3: Cross multiply
    5,156.25x = 7,734.34 × 1,869.27
  4. Step 4: Simplify right side
    5,156.25x = 14,457,569.73
  5. Step 5: Solve for x
    x = 14,457,569.73/5,156.25
  6. Step 6: Final answer
    x = 2,803.89

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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.