Home / 7,759.19-11,641.61-3,810.03

Finding the Fourth Proportional to 7,759.19, 11,641.61 and 3,810.03

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Solution

The fourth proportional to 7,759.19, 11,641.61 and 3,810.03 is: 5,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.19 : 11,641.61 = 3,810.03 : x
  2. Step 2: Convert to fraction form
    7,759.19/11,641.61 = 3,810.03/x
  3. Step 3: Cross multiply
    7,759.19x = 11,641.61 × 3,810.03
  4. Step 4: Simplify right side
    7,759.19x = 44,354,864.30
  5. Step 5: Solve for x
    x = 44,354,864.30/7,759.19
  6. Step 6: Final answer
    x = 5,716.43

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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.