Home / 7,759.36-10,707.55-4,222.49

Finding the Fourth Proportional to 7,759.36, 10,707.55 and 4,222.49

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Solution

The fourth proportional to 7,759.36, 10,707.55 and 4,222.49 is: 5,826.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.36 : 10,707.55 = 4,222.49 : x
  2. Step 2: Convert to fraction form
    7,759.36/10,707.55 = 4,222.49/x
  3. Step 3: Cross multiply
    7,759.36x = 10,707.55 × 4,222.49
  4. Step 4: Simplify right side
    7,759.36x = 45,212,522.80
  5. Step 5: Solve for x
    x = 45,212,522.80/7,759.36
  6. Step 6: Final answer
    x = 5,826.84

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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.