Home / 7,206.80-9,945.96-4,063.28

Finding the Fourth Proportional to 7,206.80, 9,945.96 and 4,063.28

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Solution

The fourth proportional to 7,206.80, 9,945.96 and 4,063.28 is: 5,607.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.80 : 9,945.96 = 4,063.28 : x
  2. Step 2: Convert to fraction form
    7,206.80/9,945.96 = 4,063.28/x
  3. Step 3: Cross multiply
    7,206.80x = 9,945.96 × 4,063.28
  4. Step 4: Simplify right side
    7,206.80x = 40,413,220.35
  5. Step 5: Solve for x
    x = 40,413,220.35/7,206.80
  6. Step 6: Final answer
    x = 5,607.65

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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.