Home / 7,939.12-11,916.12-4,046.32

Finding the Fourth Proportional to 7,939.12, 11,916.12 and 4,046.32

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Solution

The fourth proportional to 7,939.12, 11,916.12 and 4,046.32 is: 6,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.12 : 11,916.12 = 4,046.32 : x
  2. Step 2: Convert to fraction form
    7,939.12/11,916.12 = 4,046.32/x
  3. Step 3: Cross multiply
    7,939.12x = 11,916.12 × 4,046.32
  4. Step 4: Simplify right side
    7,939.12x = 48,216,434.68
  5. Step 5: Solve for x
    x = 48,216,434.68/7,939.12
  6. Step 6: Final answer
    x = 6,073.27

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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.