Home / 5,106-7,659.48-1,818.96

Finding the Fourth Proportional to 5,106, 7,659.48 and 1,818.96

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Solution

The fourth proportional to 5,106, 7,659.48 and 1,818.96 is: 2,728.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106 : 7,659.48 = 1,818.96 : x
  2. Step 2: Convert to fraction form
    5,106/7,659.48 = 1,818.96/x
  3. Step 3: Cross multiply
    5,106x = 7,659.48 × 1,818.96
  4. Step 4: Simplify right side
    5,106x = 13,932,287.74
  5. Step 5: Solve for x
    x = 13,932,287.74/5,106
  6. Step 6: Final answer
    x = 2,728.61

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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.