Home / 9,125.38-13,687.53-2,551.42

Finding the Fourth Proportional to 9,125.38, 13,687.53 and 2,551.42

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Solution

The fourth proportional to 9,125.38, 13,687.53 and 2,551.42 is: 3,826.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.38 : 13,687.53 = 2,551.42 : x
  2. Step 2: Convert to fraction form
    9,125.38/13,687.53 = 2,551.42/x
  3. Step 3: Cross multiply
    9,125.38x = 13,687.53 × 2,551.42
  4. Step 4: Simplify right side
    9,125.38x = 34,922,637.79
  5. Step 5: Solve for x
    x = 34,922,637.79/9,125.38
  6. Step 6: Final answer
    x = 3,826.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.