Home / 5,122.25-7,683.56-2,929.97

Finding the Fourth Proportional to 5,122.25, 7,683.56 and 2,929.97

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Solution

The fourth proportional to 5,122.25, 7,683.56 and 2,929.97 is: 4,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.25 : 7,683.56 = 2,929.97 : x
  2. Step 2: Convert to fraction form
    5,122.25/7,683.56 = 2,929.97/x
  3. Step 3: Cross multiply
    5,122.25x = 7,683.56 × 2,929.97
  4. Step 4: Simplify right side
    5,122.25x = 22,512,585.64
  5. Step 5: Solve for x
    x = 22,512,585.64/5,122.25
  6. Step 6: Final answer
    x = 4,395.06

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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.