Home / 8,856.40-13,265.32-5,725.48

Finding the Fourth Proportional to 8,856.40, 13,265.32 and 5,725.48

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Solution

The fourth proportional to 8,856.40, 13,265.32 and 5,725.48 is: 8,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.40 : 13,265.32 = 5,725.48 : x
  2. Step 2: Convert to fraction form
    8,856.40/13,265.32 = 5,725.48/x
  3. Step 3: Cross multiply
    8,856.40x = 13,265.32 × 5,725.48
  4. Step 4: Simplify right side
    8,856.40x = 75,950,324.35
  5. Step 5: Solve for x
    x = 75,950,324.35/8,856.40
  6. Step 6: Final answer
    x = 8,575.76

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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.