Home / 9,245.79-12,759.93-5,266.71

Finding the Fourth Proportional to 9,245.79, 12,759.93 and 5,266.71

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Solution

The fourth proportional to 9,245.79, 12,759.93 and 5,266.71 is: 7,268.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.79 : 12,759.93 = 5,266.71 : x
  2. Step 2: Convert to fraction form
    9,245.79/12,759.93 = 5,266.71/x
  3. Step 3: Cross multiply
    9,245.79x = 12,759.93 × 5,266.71
  4. Step 4: Simplify right side
    9,245.79x = 67,202,850.93
  5. Step 5: Solve for x
    x = 67,202,850.93/9,245.79
  6. Step 6: Final answer
    x = 7,268.48

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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.