Home / 9,141.55-13,712.85-2,568.25

Finding the Fourth Proportional to 9,141.55, 13,712.85 and 2,568.25

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Solution

The fourth proportional to 9,141.55, 13,712.85 and 2,568.25 is: 3,852.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.55 : 13,712.85 = 2,568.25 : x
  2. Step 2: Convert to fraction form
    9,141.55/13,712.85 = 2,568.25/x
  3. Step 3: Cross multiply
    9,141.55x = 13,712.85 × 2,568.25
  4. Step 4: Simplify right side
    9,141.55x = 35,217,974.24
  5. Step 5: Solve for x
    x = 35,217,974.24/9,141.55
  6. Step 6: Final answer
    x = 3,852.52

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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.