Home / 6,606.40-9,914.64-3,146.08

Finding the Fourth Proportional to 6,606.40, 9,914.64 and 3,146.08

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Solution

The fourth proportional to 6,606.40, 9,914.64 and 3,146.08 is: 4,721.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.40 : 9,914.64 = 3,146.08 : x
  2. Step 2: Convert to fraction form
    6,606.40/9,914.64 = 3,146.08/x
  3. Step 3: Cross multiply
    6,606.40x = 9,914.64 × 3,146.08
  4. Step 4: Simplify right side
    6,606.40x = 31,192,250.61
  5. Step 5: Solve for x
    x = 31,192,250.61/6,606.40
  6. Step 6: Final answer
    x = 4,721.52

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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.