Home / 5,827.86-8,736.87-2,315.64

Finding the Fourth Proportional to 5,827.86, 8,736.87 and 2,315.64

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Solution

The fourth proportional to 5,827.86, 8,736.87 and 2,315.64 is: 3,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.86 : 8,736.87 = 2,315.64 : x
  2. Step 2: Convert to fraction form
    5,827.86/8,736.87 = 2,315.64/x
  3. Step 3: Cross multiply
    5,827.86x = 8,736.87 × 2,315.64
  4. Step 4: Simplify right side
    5,827.86x = 20,231,445.65
  5. Step 5: Solve for x
    x = 20,231,445.65/5,827.86
  6. Step 6: Final answer
    x = 3,471.51

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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.