Home / 5,028.24-6,940.80-3,457.20

Finding the Fourth Proportional to 5,028.24, 6,940.80 and 3,457.20

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Solution

The fourth proportional to 5,028.24, 6,940.80 and 3,457.20 is: 4,772.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.24 : 6,940.80 = 3,457.20 : x
  2. Step 2: Convert to fraction form
    5,028.24/6,940.80 = 3,457.20/x
  3. Step 3: Cross multiply
    5,028.24x = 6,940.80 × 3,457.20
  4. Step 4: Simplify right side
    5,028.24x = 23,995,733.76
  5. Step 5: Solve for x
    x = 23,995,733.76/5,028.24
  6. Step 6: Final answer
    x = 4,772.19

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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.