Home / 4,909.92-7,359.38-1,945.62

Finding the Fourth Proportional to 4,909.92, 7,359.38 and 1,945.62

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Solution

The fourth proportional to 4,909.92, 7,359.38 and 1,945.62 is: 2,916.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.92 : 7,359.38 = 1,945.62 : x
  2. Step 2: Convert to fraction form
    4,909.92/7,359.38 = 1,945.62/x
  3. Step 3: Cross multiply
    4,909.92x = 7,359.38 × 1,945.62
  4. Step 4: Simplify right side
    4,909.92x = 14,318,556.92
  5. Step 5: Solve for x
    x = 14,318,556.92/4,909.92
  6. Step 6: Final answer
    x = 2,916.25

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1.5x scale

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.