Home / 6,614.26-9,920.25-1,870.75

Finding the Fourth Proportional to 6,614.26, 9,920.25 and 1,870.75

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Solution

The fourth proportional to 6,614.26, 9,920.25 and 1,870.75 is: 2,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,614.26 : 9,920.25 = 1,870.75 : x
  2. Step 2: Convert to fraction form
    6,614.26/9,920.25 = 1,870.75/x
  3. Step 3: Cross multiply
    6,614.26x = 9,920.25 × 1,870.75
  4. Step 4: Simplify right side
    6,614.26x = 18,558,320.09
  5. Step 5: Solve for x
    x = 18,558,320.09/6,614.26
  6. Step 6: Final answer
    x = 2,805.80

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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.