Home / 8,193.53-12,290.28-3,263.21

Finding the Fourth Proportional to 8,193.53, 12,290.28 and 3,263.21

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Solution

The fourth proportional to 8,193.53, 12,290.28 and 3,263.21 is: 4,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.53 : 12,290.28 = 3,263.21 : x
  2. Step 2: Convert to fraction form
    8,193.53/12,290.28 = 3,263.21/x
  3. Step 3: Cross multiply
    8,193.53x = 12,290.28 × 3,263.21
  4. Step 4: Simplify right side
    8,193.53x = 40,105,703.15
  5. Step 5: Solve for x
    x = 40,105,703.15/8,193.53
  6. Step 6: Final answer
    x = 4,894.80

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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.