Home / 5,406.48-8,111.88-2,486.52

Finding the Fourth Proportional to 5,406.48, 8,111.88 and 2,486.52

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Solution

The fourth proportional to 5,406.48, 8,111.88 and 2,486.52 is: 3,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.48 : 8,111.88 = 2,486.52 : x
  2. Step 2: Convert to fraction form
    5,406.48/8,111.88 = 2,486.52/x
  3. Step 3: Cross multiply
    5,406.48x = 8,111.88 × 2,486.52
  4. Step 4: Simplify right side
    5,406.48x = 20,170,351.86
  5. Step 5: Solve for x
    x = 20,170,351.86/5,406.48
  6. Step 6: Final answer
    x = 3,730.77

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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.