Home / 8,334.12-12,504.28-3,894.30

Finding the Fourth Proportional to 8,334.12, 12,504.28 and 3,894.30

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Solution

The fourth proportional to 8,334.12, 12,504.28 and 3,894.30 is: 5,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334.12 : 12,504.28 = 3,894.30 : x
  2. Step 2: Convert to fraction form
    8,334.12/12,504.28 = 3,894.30/x
  3. Step 3: Cross multiply
    8,334.12x = 12,504.28 × 3,894.30
  4. Step 4: Simplify right side
    8,334.12x = 48,695,417.60
  5. Step 5: Solve for x
    x = 48,695,417.60/8,334.12
  6. Step 6: Final answer
    x = 5,842.90

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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.