Home / 8,825.67-12,168.36-6,463.71

Finding the Fourth Proportional to 8,825.67, 12,168.36 and 6,463.71

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Solution

The fourth proportional to 8,825.67, 12,168.36 and 6,463.71 is: 8,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.67 : 12,168.36 = 6,463.71 : x
  2. Step 2: Convert to fraction form
    8,825.67/12,168.36 = 6,463.71/x
  3. Step 3: Cross multiply
    8,825.67x = 12,168.36 × 6,463.71
  4. Step 4: Simplify right side
    8,825.67x = 78,652,750.22
  5. Step 5: Solve for x
    x = 78,652,750.22/8,825.67
  6. Step 6: Final answer
    x = 8,911.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.