Home / 4,890.92-7,317.99-2,909.25

Finding the Fourth Proportional to 4,890.92, 7,317.99 and 2,909.25

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Solution

The fourth proportional to 4,890.92, 7,317.99 and 2,909.25 is: 4,352.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.92 : 7,317.99 = 2,909.25 : x
  2. Step 2: Convert to fraction form
    4,890.92/7,317.99 = 2,909.25/x
  3. Step 3: Cross multiply
    4,890.92x = 7,317.99 × 2,909.25
  4. Step 4: Simplify right side
    4,890.92x = 21,289,862.41
  5. Step 5: Solve for x
    x = 21,289,862.41/4,890.92
  6. Step 6: Final answer
    x = 4,352.94

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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.