Home / 7,739.07-11,590.14-4,223.80

Finding the Fourth Proportional to 7,739.07, 11,590.14 and 4,223.80

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Solution

The fourth proportional to 7,739.07, 11,590.14 and 4,223.80 is: 6,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.07 : 11,590.14 = 4,223.80 : x
  2. Step 2: Convert to fraction form
    7,739.07/11,590.14 = 4,223.80/x
  3. Step 3: Cross multiply
    7,739.07x = 11,590.14 × 4,223.80
  4. Step 4: Simplify right side
    7,739.07x = 48,954,433.33
  5. Step 5: Solve for x
    x = 48,954,433.33/7,739.07
  6. Step 6: Final answer
    x = 6,325.63

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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.