Home / 8,856.40-13,286.82-3,013.06

Finding the Fourth Proportional to 8,856.40, 13,286.82 and 3,013.06

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Solution

The fourth proportional to 8,856.40, 13,286.82 and 3,013.06 is: 4,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.40 : 13,286.82 = 3,013.06 : x
  2. Step 2: Convert to fraction form
    8,856.40/13,286.82 = 3,013.06/x
  3. Step 3: Cross multiply
    8,856.40x = 13,286.82 × 3,013.06
  4. Step 4: Simplify right side
    8,856.40x = 40,033,985.87
  5. Step 5: Solve for x
    x = 40,033,985.87/8,856.40
  6. Step 6: Final answer
    x = 4,520.35

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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.