Home / 4,457.30-6,143.85-3,959.15

Finding the Fourth Proportional to 4,457.30, 6,143.85 and 3,959.15

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Solution

The fourth proportional to 4,457.30, 6,143.85 and 3,959.15 is: 5,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.30 : 6,143.85 = 3,959.15 : x
  2. Step 2: Convert to fraction form
    4,457.30/6,143.85 = 3,959.15/x
  3. Step 3: Cross multiply
    4,457.30x = 6,143.85 × 3,959.15
  4. Step 4: Simplify right side
    4,457.30x = 24,324,393.01
  5. Step 5: Solve for x
    x = 24,324,393.01/4,457.30
  6. Step 6: Final answer
    x = 5,457.21

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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.