Home / 5,685.56-7,852.64-3,793.84

Finding the Fourth Proportional to 5,685.56, 7,852.64 and 3,793.84

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Solution

The fourth proportional to 5,685.56, 7,852.64 and 3,793.84 is: 5,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.56 : 7,852.64 = 3,793.84 : x
  2. Step 2: Convert to fraction form
    5,685.56/7,852.64 = 3,793.84/x
  3. Step 3: Cross multiply
    5,685.56x = 7,852.64 × 3,793.84
  4. Step 4: Simplify right side
    5,685.56x = 29,791,659.74
  5. Step 5: Solve for x
    x = 29,791,659.74/5,685.56
  6. Step 6: Final answer
    x = 5,239.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.