Home / 9,245.12-12,759.46-5,267.66

Finding the Fourth Proportional to 9,245.12, 12,759.46 and 5,267.66

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Solution

The fourth proportional to 9,245.12, 12,759.46 and 5,267.66 is: 7,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.12 : 12,759.46 = 5,267.66 : x
  2. Step 2: Convert to fraction form
    9,245.12/12,759.46 = 5,267.66/x
  3. Step 3: Cross multiply
    9,245.12x = 12,759.46 × 5,267.66
  4. Step 4: Simplify right side
    9,245.12x = 67,212,497.06
  5. Step 5: Solve for x
    x = 67,212,497.06/9,245.12
  6. Step 6: Final answer
    x = 7,270.05

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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.