Home / 8,856.30-13,276.35-3,926.91

Finding the Fourth Proportional to 8,856.30, 13,276.35 and 3,926.91

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Solution

The fourth proportional to 8,856.30, 13,276.35 and 3,926.91 is: 5,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.30 : 13,276.35 = 3,926.91 : x
  2. Step 2: Convert to fraction form
    8,856.30/13,276.35 = 3,926.91/x
  3. Step 3: Cross multiply
    8,856.30x = 13,276.35 × 3,926.91
  4. Step 4: Simplify right side
    8,856.30x = 52,135,031.58
  5. Step 5: Solve for x
    x = 52,135,031.58/8,856.30
  6. Step 6: Final answer
    x = 5,886.77

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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.