Home / 7,860.65-11,790.77-2,314.07

Finding the Fourth Proportional to 7,860.65, 11,790.77 and 2,314.07

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Solution

The fourth proportional to 7,860.65, 11,790.77 and 2,314.07 is: 3,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.65 : 11,790.77 = 2,314.07 : x
  2. Step 2: Convert to fraction form
    7,860.65/11,790.77 = 2,314.07/x
  3. Step 3: Cross multiply
    7,860.65x = 11,790.77 × 2,314.07
  4. Step 4: Simplify right side
    7,860.65x = 27,284,640.83
  5. Step 5: Solve for x
    x = 27,284,640.83/7,860.65
  6. Step 6: Final answer
    x = 3,471.04

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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.