Home / 7,204.28-9,940.59-4,220.17

Finding the Fourth Proportional to 7,204.28, 9,940.59 and 4,220.17

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Solution

The fourth proportional to 7,204.28, 9,940.59 and 4,220.17 is: 5,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204.28 : 9,940.59 = 4,220.17 : x
  2. Step 2: Convert to fraction form
    7,204.28/9,940.59 = 4,220.17/x
  3. Step 3: Cross multiply
    7,204.28x = 9,940.59 × 4,220.17
  4. Step 4: Simplify right side
    7,204.28x = 41,950,954.85
  5. Step 5: Solve for x
    x = 41,950,954.85/7,204.28
  6. Step 6: Final answer
    x = 5,823.06

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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.