Home / 7,039.14-10,559.28-1,845

Finding the Fourth Proportional to 7,039.14, 10,559.28 and 1,845

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Solution

The fourth proportional to 7,039.14, 10,559.28 and 1,845 is: 2,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.14 : 10,559.28 = 1,845 : x
  2. Step 2: Convert to fraction form
    7,039.14/10,559.28 = 1,845/x
  3. Step 3: Cross multiply
    7,039.14x = 10,559.28 × 1,845
  4. Step 4: Simplify right side
    7,039.14x = 19,481,871.60
  5. Step 5: Solve for x
    x = 19,481,871.60/7,039.14
  6. Step 6: Final answer
    x = 2,767.65

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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.