Home / 5,912.08-8,860.57-3,140.08

Finding the Fourth Proportional to 5,912.08, 8,860.57 and 3,140.08

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Solution

The fourth proportional to 5,912.08, 8,860.57 and 3,140.08 is: 4,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.08 : 8,860.57 = 3,140.08 : x
  2. Step 2: Convert to fraction form
    5,912.08/8,860.57 = 3,140.08/x
  3. Step 3: Cross multiply
    5,912.08x = 8,860.57 × 3,140.08
  4. Step 4: Simplify right side
    5,912.08x = 27,822,898.65
  5. Step 5: Solve for x
    x = 27,822,898.65/5,912.08
  6. Step 6: Final answer
    x = 4,706.11

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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.