Home / 5,724.63-8,585.77-3,615.61

Finding the Fourth Proportional to 5,724.63, 8,585.77 and 3,615.61

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Solution

The fourth proportional to 5,724.63, 8,585.77 and 3,615.61 is: 5,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.63 : 8,585.77 = 3,615.61 : x
  2. Step 2: Convert to fraction form
    5,724.63/8,585.77 = 3,615.61/x
  3. Step 3: Cross multiply
    5,724.63x = 8,585.77 × 3,615.61
  4. Step 4: Simplify right side
    5,724.63x = 31,042,777.79
  5. Step 5: Solve for x
    x = 31,042,777.79/5,724.63
  6. Step 6: Final answer
    x = 5,422.67

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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.