Home / 5,122.23-7,683.27-1,659.48

Finding the Fourth Proportional to 5,122.23, 7,683.27 and 1,659.48

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Solution

The fourth proportional to 5,122.23, 7,683.27 and 1,659.48 is: 2,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.23 : 7,683.27 = 1,659.48 : x
  2. Step 2: Convert to fraction form
    5,122.23/7,683.27 = 1,659.48/x
  3. Step 3: Cross multiply
    5,122.23x = 7,683.27 × 1,659.48
  4. Step 4: Simplify right side
    5,122.23x = 12,750,232.90
  5. Step 5: Solve for x
    x = 12,750,232.90/5,122.23
  6. Step 6: Final answer
    x = 2,489.20

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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.