Home / 5,827.46-8,742.51-2,129.72

Finding the Fourth Proportional to 5,827.46, 8,742.51 and 2,129.72

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Solution

The fourth proportional to 5,827.46, 8,742.51 and 2,129.72 is: 3,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.46 : 8,742.51 = 2,129.72 : x
  2. Step 2: Convert to fraction form
    5,827.46/8,742.51 = 2,129.72/x
  3. Step 3: Cross multiply
    5,827.46x = 8,742.51 × 2,129.72
  4. Step 4: Simplify right side
    5,827.46x = 18,619,054.68
  5. Step 5: Solve for x
    x = 18,619,054.68/5,827.46
  6. Step 6: Final answer
    x = 3,195.05

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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.