Home / 6,223.85-8,585.29-3,984.92

Finding the Fourth Proportional to 6,223.85, 8,585.29 and 3,984.92

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Solution

The fourth proportional to 6,223.85, 8,585.29 and 3,984.92 is: 5,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.85 : 8,585.29 = 3,984.92 : x
  2. Step 2: Convert to fraction form
    6,223.85/8,585.29 = 3,984.92/x
  3. Step 3: Cross multiply
    6,223.85x = 8,585.29 × 3,984.92
  4. Step 4: Simplify right side
    6,223.85x = 34,211,693.83
  5. Step 5: Solve for x
    x = 34,211,693.83/6,223.85
  6. Step 6: Final answer
    x = 5,496.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.