Home / 8,862.89-12,230.82-4,884.21

Finding the Fourth Proportional to 8,862.89, 12,230.82 and 4,884.21

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Solution

The fourth proportional to 8,862.89, 12,230.82 and 4,884.21 is: 6,740.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.89 : 12,230.82 = 4,884.21 : x
  2. Step 2: Convert to fraction form
    8,862.89/12,230.82 = 4,884.21/x
  3. Step 3: Cross multiply
    8,862.89x = 12,230.82 × 4,884.21
  4. Step 4: Simplify right side
    8,862.89x = 59,737,893.35
  5. Step 5: Solve for x
    x = 59,737,893.35/8,862.89
  6. Step 6: Final answer
    x = 6,740.23

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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.