Home / 9,268.68-12,790.53-5,180.51

Finding the Fourth Proportional to 9,268.68, 12,790.53 and 5,180.51

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Solution

The fourth proportional to 9,268.68, 12,790.53 and 5,180.51 is: 7,148.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.68 : 12,790.53 = 5,180.51 : x
  2. Step 2: Convert to fraction form
    9,268.68/12,790.53 = 5,180.51/x
  3. Step 3: Cross multiply
    9,268.68x = 12,790.53 × 5,180.51
  4. Step 4: Simplify right side
    9,268.68x = 66,261,404.62
  5. Step 5: Solve for x
    x = 66,261,404.62/9,268.68
  6. Step 6: Final answer
    x = 7,148.96

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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.