Home / 7,945.92-11,916.96-2,754.24

Finding the Fourth Proportional to 7,945.92, 11,916.96 and 2,754.24

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Solution

The fourth proportional to 7,945.92, 11,916.96 and 2,754.24 is: 4,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.92 : 11,916.96 = 2,754.24 : x
  2. Step 2: Convert to fraction form
    7,945.92/11,916.96 = 2,754.24/x
  3. Step 3: Cross multiply
    7,945.92x = 11,916.96 × 2,754.24
  4. Step 4: Simplify right side
    7,945.92x = 32,822,167.91
  5. Step 5: Solve for x
    x = 32,822,167.91/7,945.92
  6. Step 6: Final answer
    x = 4,130.69

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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.