Home / 9,110.64-13,667.79-2,872.23

Finding the Fourth Proportional to 9,110.64, 13,667.79 and 2,872.23

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Solution

The fourth proportional to 9,110.64, 13,667.79 and 2,872.23 is: 4,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.64 : 13,667.79 = 2,872.23 : x
  2. Step 2: Convert to fraction form
    9,110.64/13,667.79 = 2,872.23/x
  3. Step 3: Cross multiply
    9,110.64x = 13,667.79 × 2,872.23
  4. Step 4: Simplify right side
    9,110.64x = 39,257,036.47
  5. Step 5: Solve for x
    x = 39,257,036.47/9,110.64
  6. Step 6: Final answer
    x = 4,308.92

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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.