Home / 8,611.18-12,915.06-2,369.58

Finding the Fourth Proportional to 8,611.18, 12,915.06 and 2,369.58

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Solution

The fourth proportional to 8,611.18, 12,915.06 and 2,369.58 is: 3,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611.18 : 12,915.06 = 2,369.58 : x
  2. Step 2: Convert to fraction form
    8,611.18/12,915.06 = 2,369.58/x
  3. Step 3: Cross multiply
    8,611.18x = 12,915.06 × 2,369.58
  4. Step 4: Simplify right side
    8,611.18x = 30,603,267.87
  5. Step 5: Solve for x
    x = 30,603,267.87/8,611.18
  6. Step 6: Final answer
    x = 3,553.90

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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.