Home / 7,759.80-10,708.77-4,223.13

Finding the Fourth Proportional to 7,759.80, 10,708.77 and 4,223.13

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Solution

The fourth proportional to 7,759.80, 10,708.77 and 4,223.13 is: 5,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.80 : 10,708.77 = 4,223.13 : x
  2. Step 2: Convert to fraction form
    7,759.80/10,708.77 = 4,223.13/x
  3. Step 3: Cross multiply
    7,759.80x = 10,708.77 × 4,223.13
  4. Step 4: Simplify right side
    7,759.80x = 45,224,527.85
  5. Step 5: Solve for x
    x = 45,224,527.85/7,759.80
  6. Step 6: Final answer
    x = 5,828.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.