Home / 7,021.05-9,689.78-4,297.17

Finding the Fourth Proportional to 7,021.05, 9,689.78 and 4,297.17

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Solution

The fourth proportional to 7,021.05, 9,689.78 and 4,297.17 is: 5,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.05 : 9,689.78 = 4,297.17 : x
  2. Step 2: Convert to fraction form
    7,021.05/9,689.78 = 4,297.17/x
  3. Step 3: Cross multiply
    7,021.05x = 9,689.78 × 4,297.17
  4. Step 4: Simplify right side
    7,021.05x = 41,638,610.44
  5. Step 5: Solve for x
    x = 41,638,610.44/7,021.05
  6. Step 6: Final answer
    x = 5,930.54

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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.