Home / 6,516.70-8,993.08-3,864.61

Finding the Fourth Proportional to 6,516.70, 8,993.08 and 3,864.61

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Solution

The fourth proportional to 6,516.70, 8,993.08 and 3,864.61 is: 5,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.70 : 8,993.08 = 3,864.61 : x
  2. Step 2: Convert to fraction form
    6,516.70/8,993.08 = 3,864.61/x
  3. Step 3: Cross multiply
    6,516.70x = 8,993.08 × 3,864.61
  4. Step 4: Simplify right side
    6,516.70x = 34,754,741.23
  5. Step 5: Solve for x
    x = 34,754,741.23/6,516.70
  6. Step 6: Final answer
    x = 5,333.18

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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.