Home / 6,145.20-8,481.28-3,492.04

Finding the Fourth Proportional to 6,145.20, 8,481.28 and 3,492.04

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Solution

The fourth proportional to 6,145.20, 8,481.28 and 3,492.04 is: 4,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.20 : 8,481.28 = 3,492.04 : x
  2. Step 2: Convert to fraction form
    6,145.20/8,481.28 = 3,492.04/x
  3. Step 3: Cross multiply
    6,145.20x = 8,481.28 × 3,492.04
  4. Step 4: Simplify right side
    6,145.20x = 29,616,969.01
  5. Step 5: Solve for x
    x = 29,616,969.01/6,145.20
  6. Step 6: Final answer
    x = 4,819.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.