Home / 7,790.07-11,675.38-3,895.59

Finding the Fourth Proportional to 7,790.07, 11,675.38 and 3,895.59

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Solution

The fourth proportional to 7,790.07, 11,675.38 and 3,895.59 is: 5,838.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.07 : 11,675.38 = 3,895.59 : x
  2. Step 2: Convert to fraction form
    7,790.07/11,675.38 = 3,895.59/x
  3. Step 3: Cross multiply
    7,790.07x = 11,675.38 × 3,895.59
  4. Step 4: Simplify right side
    7,790.07x = 45,482,493.57
  5. Step 5: Solve for x
    x = 45,482,493.57/7,790.07
  6. Step 6: Final answer
    x = 5,838.52

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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.