Home / 8,441.36-12,659.28-2,817.52

Finding the Fourth Proportional to 8,441.36, 12,659.28 and 2,817.52

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Solution

The fourth proportional to 8,441.36, 12,659.28 and 2,817.52 is: 4,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.36 : 12,659.28 = 2,817.52 : x
  2. Step 2: Convert to fraction form
    8,441.36/12,659.28 = 2,817.52/x
  3. Step 3: Cross multiply
    8,441.36x = 12,659.28 × 2,817.52
  4. Step 4: Simplify right side
    8,441.36x = 35,667,774.59
  5. Step 5: Solve for x
    x = 35,667,774.59/8,441.36
  6. Step 6: Final answer
    x = 4,225.36

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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.