Home / 7,042.01-9,717.89-3,855.26

Finding the Fourth Proportional to 7,042.01, 9,717.89 and 3,855.26

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Solution

The fourth proportional to 7,042.01, 9,717.89 and 3,855.26 is: 5,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.01 : 9,717.89 = 3,855.26 : x
  2. Step 2: Convert to fraction form
    7,042.01/9,717.89 = 3,855.26/x
  3. Step 3: Cross multiply
    7,042.01x = 9,717.89 × 3,855.26
  4. Step 4: Simplify right side
    7,042.01x = 37,464,997.62
  5. Step 5: Solve for x
    x = 37,464,997.62/7,042.01
  6. Step 6: Final answer
    x = 5,320.22

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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.