Home / 5,303.06-7,318.26-3,206.78

Finding the Fourth Proportional to 5,303.06, 7,318.26 and 3,206.78

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Solution

The fourth proportional to 5,303.06, 7,318.26 and 3,206.78 is: 4,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.06 : 7,318.26 = 3,206.78 : x
  2. Step 2: Convert to fraction form
    5,303.06/7,318.26 = 3,206.78/x
  3. Step 3: Cross multiply
    5,303.06x = 7,318.26 × 3,206.78
  4. Step 4: Simplify right side
    5,303.06x = 23,468,049.80
  5. Step 5: Solve for x
    x = 23,468,049.80/5,303.06
  6. Step 6: Final answer
    x = 4,425.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.