Home / 4,247.53-5,861.91-2,478.76

Finding the Fourth Proportional to 4,247.53, 5,861.91 and 2,478.76

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Solution

The fourth proportional to 4,247.53, 5,861.91 and 2,478.76 is: 3,420.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.53 : 5,861.91 = 2,478.76 : x
  2. Step 2: Convert to fraction form
    4,247.53/5,861.91 = 2,478.76/x
  3. Step 3: Cross multiply
    4,247.53x = 5,861.91 × 2,478.76
  4. Step 4: Simplify right side
    4,247.53x = 14,530,268.03
  5. Step 5: Solve for x
    x = 14,530,268.03/4,247.53
  6. Step 6: Final answer
    x = 3,420.87

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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.