Home / 7,727.26-11,590.71-4,220.68

Finding the Fourth Proportional to 7,727.26, 11,590.71 and 4,220.68

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Solution

The fourth proportional to 7,727.26, 11,590.71 and 4,220.68 is: 6,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.26 : 11,590.71 = 4,220.68 : x
  2. Step 2: Convert to fraction form
    7,727.26/11,590.71 = 4,220.68/x
  3. Step 3: Cross multiply
    7,727.26x = 11,590.71 × 4,220.68
  4. Step 4: Simplify right side
    7,727.26x = 48,920,677.88
  5. Step 5: Solve for x
    x = 48,920,677.88/7,727.26
  6. Step 6: Final answer
    x = 6,330.92

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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.