Home / 7,079.56-10,620.88-2,149.58

Finding the Fourth Proportional to 7,079.56, 10,620.88 and 2,149.58

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Solution

The fourth proportional to 7,079.56, 10,620.88 and 2,149.58 is: 3,224.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.56 : 10,620.88 = 2,149.58 : x
  2. Step 2: Convert to fraction form
    7,079.56/10,620.88 = 2,149.58/x
  3. Step 3: Cross multiply
    7,079.56x = 10,620.88 × 2,149.58
  4. Step 4: Simplify right side
    7,079.56x = 22,830,452.41
  5. Step 5: Solve for x
    x = 22,830,452.41/7,079.56
  6. Step 6: Final answer
    x = 3,224.84

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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.