Home / 7,395.05-11,086.10-2,781.29

Finding the Fourth Proportional to 7,395.05, 11,086.10 and 2,781.29

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Solution

The fourth proportional to 7,395.05, 11,086.10 and 2,781.29 is: 4,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.05 : 11,086.10 = 2,781.29 : x
  2. Step 2: Convert to fraction form
    7,395.05/11,086.10 = 2,781.29/x
  3. Step 3: Cross multiply
    7,395.05x = 11,086.10 × 2,781.29
  4. Step 4: Simplify right side
    7,395.05x = 30,833,683.31
  5. Step 5: Solve for x
    x = 30,833,683.31/7,395.05
  6. Step 6: Final answer
    x = 4,169.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.