Home / 5,115.37-7,671.16-4,021.87

Finding the Fourth Proportional to 5,115.37, 7,671.16 and 4,021.87

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Solution

The fourth proportional to 5,115.37, 7,671.16 and 4,021.87 is: 6,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.37 : 7,671.16 = 4,021.87 : x
  2. Step 2: Convert to fraction form
    5,115.37/7,671.16 = 4,021.87/x
  3. Step 3: Cross multiply
    5,115.37x = 7,671.16 × 4,021.87
  4. Step 4: Simplify right side
    5,115.37x = 30,852,408.27
  5. Step 5: Solve for x
    x = 30,852,408.27/5,115.37
  6. Step 6: Final answer
    x = 6,031.32

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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.