Home / 6,391.89-9,588.69-2,007.81

Finding the Fourth Proportional to 6,391.89, 9,588.69 and 2,007.81

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Solution

The fourth proportional to 6,391.89, 9,588.69 and 2,007.81 is: 3,011.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.89 : 9,588.69 = 2,007.81 : x
  2. Step 2: Convert to fraction form
    6,391.89/9,588.69 = 2,007.81/x
  3. Step 3: Cross multiply
    6,391.89x = 9,588.69 × 2,007.81
  4. Step 4: Simplify right side
    6,391.89x = 19,252,267.67
  5. Step 5: Solve for x
    x = 19,252,267.67/6,391.89
  6. Step 6: Final answer
    x = 3,011.98

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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.