Home / 4,641.45-6,960.75-1,679.54

Finding the Fourth Proportional to 4,641.45, 6,960.75 and 1,679.54

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Solution

The fourth proportional to 4,641.45, 6,960.75 and 1,679.54 is: 2,518.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,641.45 : 6,960.75 = 1,679.54 : x
  2. Step 2: Convert to fraction form
    4,641.45/6,960.75 = 1,679.54/x
  3. Step 3: Cross multiply
    4,641.45x = 6,960.75 × 1,679.54
  4. Step 4: Simplify right side
    4,641.45x = 11,690,826.40
  5. Step 5: Solve for x
    x = 11,690,826.40/4,641.45
  6. Step 6: Final answer
    x = 2,518.79

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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.