Home / 6,890.38-10,337.12-2,210.81

Finding the Fourth Proportional to 6,890.38, 10,337.12 and 2,210.81

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Solution

The fourth proportional to 6,890.38, 10,337.12 and 2,210.81 is: 3,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.38 : 10,337.12 = 2,210.81 : x
  2. Step 2: Convert to fraction form
    6,890.38/10,337.12 = 2,210.81/x
  3. Step 3: Cross multiply
    6,890.38x = 10,337.12 × 2,210.81
  4. Step 4: Simplify right side
    6,890.38x = 22,853,411.96
  5. Step 5: Solve for x
    x = 22,853,411.96/6,890.38
  6. Step 6: Final answer
    x = 3,316.71

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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.