Home / 8,093.40-12,135.15-3,157.35

Finding the Fourth Proportional to 8,093.40, 12,135.15 and 3,157.35

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Solution

The fourth proportional to 8,093.40, 12,135.15 and 3,157.35 is: 4,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.40 : 12,135.15 = 3,157.35 : x
  2. Step 2: Convert to fraction form
    8,093.40/12,135.15 = 3,157.35/x
  3. Step 3: Cross multiply
    8,093.40x = 12,135.15 × 3,157.35
  4. Step 4: Simplify right side
    8,093.40x = 38,314,915.85
  5. Step 5: Solve for x
    x = 38,314,915.85/8,093.40
  6. Step 6: Final answer
    x = 4,734.09

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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.