Home / 7,979.91-11,970.33-2,433.45

Finding the Fourth Proportional to 7,979.91, 11,970.33 and 2,433.45

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Solution

The fourth proportional to 7,979.91, 11,970.33 and 2,433.45 is: 3,650.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.91 : 11,970.33 = 2,433.45 : x
  2. Step 2: Convert to fraction form
    7,979.91/11,970.33 = 2,433.45/x
  3. Step 3: Cross multiply
    7,979.91x = 11,970.33 × 2,433.45
  4. Step 4: Simplify right side
    7,979.91x = 29,129,199.54
  5. Step 5: Solve for x
    x = 29,129,199.54/7,979.91
  6. Step 6: Final answer
    x = 3,650.32

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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.