Home / 8,872.40-13,292.44-5,163.39

Finding the Fourth Proportional to 8,872.40, 13,292.44 and 5,163.39

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Solution

The fourth proportional to 8,872.40, 13,292.44 and 5,163.39 is: 7,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.40 : 13,292.44 = 5,163.39 : x
  2. Step 2: Convert to fraction form
    8,872.40/13,292.44 = 5,163.39/x
  3. Step 3: Cross multiply
    8,872.40x = 13,292.44 × 5,163.39
  4. Step 4: Simplify right side
    8,872.40x = 68,634,038.86
  5. Step 5: Solve for x
    x = 68,634,038.86/8,872.40
  6. Step 6: Final answer
    x = 7,735.68

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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.