Home / 7,979.87-11,970.25-2,433.39

Finding the Fourth Proportional to 7,979.87, 11,970.25 and 2,433.39

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Solution

The fourth proportional to 7,979.87, 11,970.25 and 2,433.39 is: 3,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.87 : 11,970.25 = 2,433.39 : x
  2. Step 2: Convert to fraction form
    7,979.87/11,970.25 = 2,433.39/x
  3. Step 3: Cross multiply
    7,979.87x = 11,970.25 × 2,433.39
  4. Step 4: Simplify right side
    7,979.87x = 29,128,274.48
  5. Step 5: Solve for x
    x = 29,128,274.48/7,979.87
  6. Step 6: Final answer
    x = 3,650.22

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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.