Home / 8,825.12-13,238.24-2,902.40

Finding the Fourth Proportional to 8,825.12, 13,238.24 and 2,902.40

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Solution

The fourth proportional to 8,825.12, 13,238.24 and 2,902.40 is: 4,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.12 : 13,238.24 = 2,902.40 : x
  2. Step 2: Convert to fraction form
    8,825.12/13,238.24 = 2,902.40/x
  3. Step 3: Cross multiply
    8,825.12x = 13,238.24 × 2,902.40
  4. Step 4: Simplify right side
    8,825.12x = 38,422,667.78
  5. Step 5: Solve for x
    x = 38,422,667.78/8,825.12
  6. Step 6: Final answer
    x = 4,353.78

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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.