Home / 6,623.81-9,935.71-1,693.45

Finding the Fourth Proportional to 6,623.81, 9,935.71 and 1,693.45

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Solution

The fourth proportional to 6,623.81, 9,935.71 and 1,693.45 is: 2,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.81 : 9,935.71 = 1,693.45 : x
  2. Step 2: Convert to fraction form
    6,623.81/9,935.71 = 1,693.45/x
  3. Step 3: Cross multiply
    6,623.81x = 9,935.71 × 1,693.45
  4. Step 4: Simplify right side
    6,623.81x = 16,825,599.03
  5. Step 5: Solve for x
    x = 16,825,599.03/6,623.81
  6. Step 6: Final answer
    x = 2,540.17

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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.