Home / 7,888.14-11,833.38-2,890.77

Finding the Fourth Proportional to 7,888.14, 11,833.38 and 2,890.77

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Solution

The fourth proportional to 7,888.14, 11,833.38 and 2,890.77 is: 4,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.14 : 11,833.38 = 2,890.77 : x
  2. Step 2: Convert to fraction form
    7,888.14/11,833.38 = 2,890.77/x
  3. Step 3: Cross multiply
    7,888.14x = 11,833.38 × 2,890.77
  4. Step 4: Simplify right side
    7,888.14x = 34,207,579.90
  5. Step 5: Solve for x
    x = 34,207,579.90/7,888.14
  6. Step 6: Final answer
    x = 4,336.58

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1.5x scale

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.