Home / 7,979.74-11,970.21-2,433.55

Finding the Fourth Proportional to 7,979.74, 11,970.21 and 2,433.55

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Solution

The fourth proportional to 7,979.74, 11,970.21 and 2,433.55 is: 3,650.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.74 : 11,970.21 = 2,433.55 : x
  2. Step 2: Convert to fraction form
    7,979.74/11,970.21 = 2,433.55/x
  3. Step 3: Cross multiply
    7,979.74x = 11,970.21 × 2,433.55
  4. Step 4: Simplify right side
    7,979.74x = 29,130,104.55
  5. Step 5: Solve for x
    x = 29,130,104.55/7,979.74
  6. Step 6: Final answer
    x = 3,650.51

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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.