Home / 6,669.66-9,996.55-3,107.00

Finding the Fourth Proportional to 6,669.66, 9,996.55 and 3,107.00

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Solution

The fourth proportional to 6,669.66, 9,996.55 and 3,107.00 is: 4,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.66 : 9,996.55 = 3,107.00 : x
  2. Step 2: Convert to fraction form
    6,669.66/9,996.55 = 3,107.00/x
  3. Step 3: Cross multiply
    6,669.66x = 9,996.55 × 3,107.00
  4. Step 4: Simplify right side
    6,669.66x = 31,059,298.07
  5. Step 5: Solve for x
    x = 31,059,298.07/6,669.66
  6. Step 6: Final answer
    x = 4,656.80

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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.