Home / 7,888.72-11,833.26-2,045.56

Finding the Fourth Proportional to 7,888.72, 11,833.26 and 2,045.56

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Solution

The fourth proportional to 7,888.72, 11,833.26 and 2,045.56 is: 3,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.72 : 11,833.26 = 2,045.56 : x
  2. Step 2: Convert to fraction form
    7,888.72/11,833.26 = 2,045.56/x
  3. Step 3: Cross multiply
    7,888.72x = 11,833.26 × 2,045.56
  4. Step 4: Simplify right side
    7,888.72x = 24,205,643.33
  5. Step 5: Solve for x
    x = 24,205,643.33/7,888.72
  6. Step 6: Final answer
    x = 3,068.39

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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.