Home / 4,771.30-6,581.46-3,156.20

Finding the Fourth Proportional to 4,771.30, 6,581.46 and 3,156.20

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Solution

The fourth proportional to 4,771.30, 6,581.46 and 3,156.20 is: 4,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.30 : 6,581.46 = 3,156.20 : x
  2. Step 2: Convert to fraction form
    4,771.30/6,581.46 = 3,156.20/x
  3. Step 3: Cross multiply
    4,771.30x = 6,581.46 × 3,156.20
  4. Step 4: Simplify right side
    4,771.30x = 20,772,404.05
  5. Step 5: Solve for x
    x = 20,772,404.05/4,771.30
  6. Step 6: Final answer
    x = 4,353.62

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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.