Home / 7,207.07-9,945.75-4,063.26

Finding the Fourth Proportional to 7,207.07, 9,945.75 and 4,063.26

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Solution

The fourth proportional to 7,207.07, 9,945.75 and 4,063.26 is: 5,607.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.07 : 9,945.75 = 4,063.26 : x
  2. Step 2: Convert to fraction form
    7,207.07/9,945.75 = 4,063.26/x
  3. Step 3: Cross multiply
    7,207.07x = 9,945.75 × 4,063.26
  4. Step 4: Simplify right side
    7,207.07x = 40,412,141.88
  5. Step 5: Solve for x
    x = 40,412,141.88/7,207.07
  6. Step 6: Final answer
    x = 5,607.29

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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.