Home / 6,765.07-10,143.71-2,813.00

Finding the Fourth Proportional to 6,765.07, 10,143.71 and 2,813.00

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Solution

The fourth proportional to 6,765.07, 10,143.71 and 2,813.00 is: 4,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.07 : 10,143.71 = 2,813.00 : x
  2. Step 2: Convert to fraction form
    6,765.07/10,143.71 = 2,813.00/x
  3. Step 3: Cross multiply
    6,765.07x = 10,143.71 × 2,813.00
  4. Step 4: Simplify right side
    6,765.07x = 28,534,279.67
  5. Step 5: Solve for x
    x = 28,534,279.67/6,765.07
  6. Step 6: Final answer
    x = 4,217.88

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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.