Home / 5,427.14-8,142.86-2,307.83

Finding the Fourth Proportional to 5,427.14, 8,142.86 and 2,307.83

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Solution

The fourth proportional to 5,427.14, 8,142.86 and 2,307.83 is: 3,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.14 : 8,142.86 = 2,307.83 : x
  2. Step 2: Convert to fraction form
    5,427.14/8,142.86 = 2,307.83/x
  3. Step 3: Cross multiply
    5,427.14x = 8,142.86 × 2,307.83
  4. Step 4: Simplify right side
    5,427.14x = 18,792,301.65
  5. Step 5: Solve for x
    x = 18,792,301.65/5,427.14
  6. Step 6: Final answer
    x = 3,462.66

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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.