Home / 7,739.17-11,608.80-3,122.17

Finding the Fourth Proportional to 7,739.17, 11,608.80 and 3,122.17

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Solution

The fourth proportional to 7,739.17, 11,608.80 and 3,122.17 is: 4,683.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.17 : 11,608.80 = 3,122.17 : x
  2. Step 2: Convert to fraction form
    7,739.17/11,608.80 = 3,122.17/x
  3. Step 3: Cross multiply
    7,739.17x = 11,608.80 × 3,122.17
  4. Step 4: Simplify right side
    7,739.17x = 36,244,647.10
  5. Step 5: Solve for x
    x = 36,244,647.10/7,739.17
  6. Step 6: Final answer
    x = 4,683.27

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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.