Home / 7,829.40-10,804.60-4,292.56

Finding the Fourth Proportional to 7,829.40, 10,804.60 and 4,292.56

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Solution

The fourth proportional to 7,829.40, 10,804.60 and 4,292.56 is: 5,923.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.40 : 10,804.60 = 4,292.56 : x
  2. Step 2: Convert to fraction form
    7,829.40/10,804.60 = 4,292.56/x
  3. Step 3: Cross multiply
    7,829.40x = 10,804.60 × 4,292.56
  4. Step 4: Simplify right side
    7,829.40x = 46,379,393.78
  5. Step 5: Solve for x
    x = 46,379,393.78/7,829.40
  6. Step 6: Final answer
    x = 5,923.75

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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.