Home / 7,204.30-9,942.32-4,220.37

Finding the Fourth Proportional to 7,204.30, 9,942.32 and 4,220.37

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Solution

The fourth proportional to 7,204.30, 9,942.32 and 4,220.37 is: 5,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204.30 : 9,942.32 = 4,220.37 : x
  2. Step 2: Convert to fraction form
    7,204.30/9,942.32 = 4,220.37/x
  3. Step 3: Cross multiply
    7,204.30x = 9,942.32 × 4,220.37
  4. Step 4: Simplify right side
    7,204.30x = 41,960,269.06
  5. Step 5: Solve for x
    x = 41,960,269.06/7,204.30
  6. Step 6: Final answer
    x = 5,824.34

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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.