Home / 7,727.20-11,590.80-1,883.86

Finding the Fourth Proportional to 7,727.20, 11,590.80 and 1,883.86

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Solution

The fourth proportional to 7,727.20, 11,590.80 and 1,883.86 is: 2,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.20 : 11,590.80 = 1,883.86 : x
  2. Step 2: Convert to fraction form
    7,727.20/11,590.80 = 1,883.86/x
  3. Step 3: Cross multiply
    7,727.20x = 11,590.80 × 1,883.86
  4. Step 4: Simplify right side
    7,727.20x = 21,835,444.49
  5. Step 5: Solve for x
    x = 21,835,444.49/7,727.20
  6. Step 6: Final answer
    x = 2,825.79

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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.