Home / 5,601.26-8,403.78-2,315.90

Finding the Fourth Proportional to 5,601.26, 8,403.78 and 2,315.90

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Solution

The fourth proportional to 5,601.26, 8,403.78 and 2,315.90 is: 3,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.26 : 8,403.78 = 2,315.90 : x
  2. Step 2: Convert to fraction form
    5,601.26/8,403.78 = 2,315.90/x
  3. Step 3: Cross multiply
    5,601.26x = 8,403.78 × 2,315.90
  4. Step 4: Simplify right side
    5,601.26x = 19,462,314.10
  5. Step 5: Solve for x
    x = 19,462,314.10/5,601.26
  6. Step 6: Final answer
    x = 3,474.63

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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.