Home / 5,113.35-7,665.91-2,890.81

Finding the Fourth Proportional to 5,113.35, 7,665.91 and 2,890.81

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Solution

The fourth proportional to 5,113.35, 7,665.91 and 2,890.81 is: 4,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.35 : 7,665.91 = 2,890.81 : x
  2. Step 2: Convert to fraction form
    5,113.35/7,665.91 = 2,890.81/x
  3. Step 3: Cross multiply
    5,113.35x = 7,665.91 × 2,890.81
  4. Step 4: Simplify right side
    5,113.35x = 22,160,636.50
  5. Step 5: Solve for x
    x = 22,160,636.50/5,113.35
  6. Step 6: Final answer
    x = 4,333.88

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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.