Home / 7,759.54-10,707.84-4,222.75

Finding the Fourth Proportional to 7,759.54, 10,707.84 and 4,222.75

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Solution

The fourth proportional to 7,759.54, 10,707.84 and 4,222.75 is: 5,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.54 : 10,707.84 = 4,222.75 : x
  2. Step 2: Convert to fraction form
    7,759.54/10,707.84 = 4,222.75/x
  3. Step 3: Cross multiply
    7,759.54x = 10,707.84 × 4,222.75
  4. Step 4: Simplify right side
    7,759.54x = 45,216,531.36
  5. Step 5: Solve for x
    x = 45,216,531.36/7,759.54
  6. Step 6: Final answer
    x = 5,827.22

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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.