Home / 7,079.63-10,620.97-2,399.76

Finding the Fourth Proportional to 7,079.63, 10,620.97 and 2,399.76

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Solution

The fourth proportional to 7,079.63, 10,620.97 and 2,399.76 is: 3,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.63 : 10,620.97 = 2,399.76 : x
  2. Step 2: Convert to fraction form
    7,079.63/10,620.97 = 2,399.76/x
  3. Step 3: Cross multiply
    7,079.63x = 10,620.97 × 2,399.76
  4. Step 4: Simplify right side
    7,079.63x = 25,487,772.97
  5. Step 5: Solve for x
    x = 25,487,772.97/7,079.63
  6. Step 6: Final answer
    x = 3,600.16

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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.