Home / 7,860.38-11,790.94-2,595.86

Finding the Fourth Proportional to 7,860.38, 11,790.94 and 2,595.86

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Solution

The fourth proportional to 7,860.38, 11,790.94 and 2,595.86 is: 3,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.38 : 11,790.94 = 2,595.86 : x
  2. Step 2: Convert to fraction form
    7,860.38/11,790.94 = 2,595.86/x
  3. Step 3: Cross multiply
    7,860.38x = 11,790.94 × 2,595.86
  4. Step 4: Simplify right side
    7,860.38x = 30,607,629.51
  5. Step 5: Solve for x
    x = 30,607,629.51/7,860.38
  6. Step 6: Final answer
    x = 3,893.91

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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.