Home / 9,085.30-13,630.20-4,153.90

Finding the Fourth Proportional to 9,085.30, 13,630.20 and 4,153.90

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Solution

The fourth proportional to 9,085.30, 13,630.20 and 4,153.90 is: 6,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.30 : 13,630.20 = 4,153.90 : x
  2. Step 2: Convert to fraction form
    9,085.30/13,630.20 = 4,153.90/x
  3. Step 3: Cross multiply
    9,085.30x = 13,630.20 × 4,153.90
  4. Step 4: Simplify right side
    9,085.30x = 56,618,487.78
  5. Step 5: Solve for x
    x = 56,618,487.78/9,085.30
  6. Step 6: Final answer
    x = 6,231.88

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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.