Home / 4,247.57-5,861.12-2,478.93

Finding the Fourth Proportional to 4,247.57, 5,861.12 and 2,478.93

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Solution

The fourth proportional to 4,247.57, 5,861.12 and 2,478.93 is: 3,420.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.57 : 5,861.12 = 2,478.93 : x
  2. Step 2: Convert to fraction form
    4,247.57/5,861.12 = 2,478.93/x
  3. Step 3: Cross multiply
    4,247.57x = 5,861.12 × 2,478.93
  4. Step 4: Simplify right side
    4,247.57x = 14,529,293.81
  5. Step 5: Solve for x
    x = 14,529,293.81/4,247.57
  6. Step 6: Final answer
    x = 3,420.62

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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.