Home / 4,928.16-6,803.52-3,917.88

Finding the Fourth Proportional to 4,928.16, 6,803.52 and 3,917.88

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Solution

The fourth proportional to 4,928.16, 6,803.52 and 3,917.88 is: 5,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.16 : 6,803.52 = 3,917.88 : x
  2. Step 2: Convert to fraction form
    4,928.16/6,803.52 = 3,917.88/x
  3. Step 3: Cross multiply
    4,928.16x = 6,803.52 × 3,917.88
  4. Step 4: Simplify right side
    4,928.16x = 26,655,374.94
  5. Step 5: Solve for x
    x = 26,655,374.94/4,928.16
  6. Step 6: Final answer
    x = 5,408.79

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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.