Home / 5,442.16-8,163.75-1,931.83

Finding the Fourth Proportional to 5,442.16, 8,163.75 and 1,931.83

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Solution

The fourth proportional to 5,442.16, 8,163.75 and 1,931.83 is: 2,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.16 : 8,163.75 = 1,931.83 : x
  2. Step 2: Convert to fraction form
    5,442.16/8,163.75 = 1,931.83/x
  3. Step 3: Cross multiply
    5,442.16x = 8,163.75 × 1,931.83
  4. Step 4: Simplify right side
    5,442.16x = 15,770,977.16
  5. Step 5: Solve for x
    x = 15,770,977.16/5,442.16
  6. Step 6: Final answer
    x = 2,897.93

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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.