Home / 5,154.35-7,730.83-1,456.87

Finding the Fourth Proportional to 5,154.35, 7,730.83 and 1,456.87

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Solution

The fourth proportional to 5,154.35, 7,730.83 and 1,456.87 is: 2,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.35 : 7,730.83 = 1,456.87 : x
  2. Step 2: Convert to fraction form
    5,154.35/7,730.83 = 1,456.87/x
  3. Step 3: Cross multiply
    5,154.35x = 7,730.83 × 1,456.87
  4. Step 4: Simplify right side
    5,154.35x = 11,262,794.98
  5. Step 5: Solve for x
    x = 11,262,794.98/5,154.35
  6. Step 6: Final answer
    x = 2,185.11

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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.