Home / 4,054.79-6,076.11-3,128.96

Finding the Fourth Proportional to 4,054.79, 6,076.11 and 3,128.96

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Solution

The fourth proportional to 4,054.79, 6,076.11 and 3,128.96 is: 4,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,054.79 : 6,076.11 = 3,128.96 : x
  2. Step 2: Convert to fraction form
    4,054.79/6,076.11 = 3,128.96/x
  3. Step 3: Cross multiply
    4,054.79x = 6,076.11 × 3,128.96
  4. Step 4: Simplify right side
    4,054.79x = 19,011,905.15
  5. Step 5: Solve for x
    x = 19,011,905.15/4,054.79
  6. Step 6: Final answer
    x = 4,688.75

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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.