Home / 5,191.27-7,787.51-2,269.19

Finding the Fourth Proportional to 5,191.27, 7,787.51 and 2,269.19

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Solution

The fourth proportional to 5,191.27, 7,787.51 and 2,269.19 is: 3,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.27 : 7,787.51 = 2,269.19 : x
  2. Step 2: Convert to fraction form
    5,191.27/7,787.51 = 2,269.19/x
  3. Step 3: Cross multiply
    5,191.27x = 7,787.51 × 2,269.19
  4. Step 4: Simplify right side
    5,191.27x = 17,671,339.82
  5. Step 5: Solve for x
    x = 17,671,339.82/5,191.27
  6. Step 6: Final answer
    x = 3,404.05

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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.