Home / 9,268.53-12,790.89-5,076.78

Finding the Fourth Proportional to 9,268.53, 12,790.89 and 5,076.78

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Solution

The fourth proportional to 9,268.53, 12,790.89 and 5,076.78 is: 7,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.53 : 12,790.89 = 5,076.78 : x
  2. Step 2: Convert to fraction form
    9,268.53/12,790.89 = 5,076.78/x
  3. Step 3: Cross multiply
    9,268.53x = 12,790.89 × 5,076.78
  4. Step 4: Simplify right side
    9,268.53x = 64,936,534.53
  5. Step 5: Solve for x
    x = 64,936,534.53/9,268.53
  6. Step 6: Final answer
    x = 7,006.13

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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.