Home / 5,155.25-7,730.58-1,456.62

Finding the Fourth Proportional to 5,155.25, 7,730.58 and 1,456.62

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Solution

The fourth proportional to 5,155.25, 7,730.58 and 1,456.62 is: 2,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.25 : 7,730.58 = 1,456.62 : x
  2. Step 2: Convert to fraction form
    5,155.25/7,730.58 = 1,456.62/x
  3. Step 3: Cross multiply
    5,155.25x = 7,730.58 × 1,456.62
  4. Step 4: Simplify right side
    5,155.25x = 11,260,501.75
  5. Step 5: Solve for x
    x = 11,260,501.75/5,155.25
  6. Step 6: Final answer
    x = 2,184.28

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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.