Home / 8,187.36-12,282.15-3,257.52

Finding the Fourth Proportional to 8,187.36, 12,282.15 and 3,257.52

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Solution

The fourth proportional to 8,187.36, 12,282.15 and 3,257.52 is: 4,886.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.36 : 12,282.15 = 3,257.52 : x
  2. Step 2: Convert to fraction form
    8,187.36/12,282.15 = 3,257.52/x
  3. Step 3: Cross multiply
    8,187.36x = 12,282.15 × 3,257.52
  4. Step 4: Simplify right side
    8,187.36x = 40,009,349.27
  5. Step 5: Solve for x
    x = 40,009,349.27/8,187.36
  6. Step 6: Final answer
    x = 4,886.72

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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.