Home / 7,079.56-10,621.50-3,619.24

Finding the Fourth Proportional to 7,079.56, 10,621.50 and 3,619.24

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Solution

The fourth proportional to 7,079.56, 10,621.50 and 3,619.24 is: 5,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.56 : 10,621.50 = 3,619.24 : x
  2. Step 2: Convert to fraction form
    7,079.56/10,621.50 = 3,619.24/x
  3. Step 3: Cross multiply
    7,079.56x = 10,621.50 × 3,619.24
  4. Step 4: Simplify right side
    7,079.56x = 38,441,757.66
  5. Step 5: Solve for x
    x = 38,441,757.66/7,079.56
  6. Step 6: Final answer
    x = 5,429.96

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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.