Home / 7,823.77-11,735.66-2,890.87

Finding the Fourth Proportional to 7,823.77, 11,735.66 and 2,890.87

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Solution

The fourth proportional to 7,823.77, 11,735.66 and 2,890.87 is: 4,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.77 : 11,735.66 = 2,890.87 : x
  2. Step 2: Convert to fraction form
    7,823.77/11,735.66 = 2,890.87/x
  3. Step 3: Cross multiply
    7,823.77x = 11,735.66 × 2,890.87
  4. Step 4: Simplify right side
    7,823.77x = 33,926,194.29
  5. Step 5: Solve for x
    x = 33,926,194.29/7,823.77
  6. Step 6: Final answer
    x = 4,336.30

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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.