Home / 5,679.10-8,526.82-4,120.86

Finding the Fourth Proportional to 5,679.10, 8,526.82 and 4,120.86

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Solution

The fourth proportional to 5,679.10, 8,526.82 and 4,120.86 is: 6,187.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.10 : 8,526.82 = 4,120.86 : x
  2. Step 2: Convert to fraction form
    5,679.10/8,526.82 = 4,120.86/x
  3. Step 3: Cross multiply
    5,679.10x = 8,526.82 × 4,120.86
  4. Step 4: Simplify right side
    5,679.10x = 35,137,831.47
  5. Step 5: Solve for x
    x = 35,137,831.47/5,679.10
  6. Step 6: Final answer
    x = 6,187.22

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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.