Home / 7,759.29-10,707.52-4,222.50

Finding the Fourth Proportional to 7,759.29, 10,707.52 and 4,222.50

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Solution

The fourth proportional to 7,759.29, 10,707.52 and 4,222.50 is: 5,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.29 : 10,707.52 = 4,222.50 : x
  2. Step 2: Convert to fraction form
    7,759.29/10,707.52 = 4,222.50/x
  3. Step 3: Cross multiply
    7,759.29x = 10,707.52 × 4,222.50
  4. Step 4: Simplify right side
    7,759.29x = 45,212,538.88
  5. Step 5: Solve for x
    x = 45,212,538.88/7,759.29
  6. Step 6: Final answer
    x = 5,826.89

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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.