Home / 8,856.41-13,286.80-2,616.39

Finding the Fourth Proportional to 8,856.41, 13,286.80 and 2,616.39

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Solution

The fourth proportional to 8,856.41, 13,286.80 and 2,616.39 is: 3,925.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.41 : 13,286.80 = 2,616.39 : x
  2. Step 2: Convert to fraction form
    8,856.41/13,286.80 = 2,616.39/x
  3. Step 3: Cross multiply
    8,856.41x = 13,286.80 × 2,616.39
  4. Step 4: Simplify right side
    8,856.41x = 34,763,444.11
  5. Step 5: Solve for x
    x = 34,763,444.11/8,856.41
  6. Step 6: Final answer
    x = 3,925.23

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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.