Home / 6,825.47-9,415.22-4,306.68

Finding the Fourth Proportional to 6,825.47, 9,415.22 and 4,306.68

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Solution

The fourth proportional to 6,825.47, 9,415.22 and 4,306.68 is: 5,940.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,825.47 : 9,415.22 = 4,306.68 : x
  2. Step 2: Convert to fraction form
    6,825.47/9,415.22 = 4,306.68/x
  3. Step 3: Cross multiply
    6,825.47x = 9,415.22 × 4,306.68
  4. Step 4: Simplify right side
    6,825.47x = 40,548,318.14
  5. Step 5: Solve for x
    x = 40,548,318.14/6,825.47
  6. Step 6: Final answer
    x = 5,940.74

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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.