Home / 5,343.15-8,015.89-2,057.79

Finding the Fourth Proportional to 5,343.15, 8,015.89 and 2,057.79

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Solution

The fourth proportional to 5,343.15, 8,015.89 and 2,057.79 is: 3,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.15 : 8,015.89 = 2,057.79 : x
  2. Step 2: Convert to fraction form
    5,343.15/8,015.89 = 2,057.79/x
  3. Step 3: Cross multiply
    5,343.15x = 8,015.89 × 2,057.79
  4. Step 4: Simplify right side
    5,343.15x = 16,495,018.28
  5. Step 5: Solve for x
    x = 16,495,018.28/5,343.15
  6. Step 6: Final answer
    x = 3,087.13

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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.