Home / 8,202.07-11,290.35-7,152.31

Finding the Fourth Proportional to 8,202.07, 11,290.35 and 7,152.31

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Solution

The fourth proportional to 8,202.07, 11,290.35 and 7,152.31 is: 9,845.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.07 : 11,290.35 = 7,152.31 : x
  2. Step 2: Convert to fraction form
    8,202.07/11,290.35 = 7,152.31/x
  3. Step 3: Cross multiply
    8,202.07x = 11,290.35 × 7,152.31
  4. Step 4: Simplify right side
    8,202.07x = 80,752,083.21
  5. Step 5: Solve for x
    x = 80,752,083.21/8,202.07
  6. Step 6: Final answer
    x = 9,845.33

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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.