Home / 7,829.12-10,804.44-4,292.72

Finding the Fourth Proportional to 7,829.12, 10,804.44 and 4,292.72

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Solution

The fourth proportional to 7,829.12, 10,804.44 and 4,292.72 is: 5,924.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.12 : 10,804.44 = 4,292.72 : x
  2. Step 2: Convert to fraction form
    7,829.12/10,804.44 = 4,292.72/x
  3. Step 3: Cross multiply
    7,829.12x = 10,804.44 × 4,292.72
  4. Step 4: Simplify right side
    7,829.12x = 46,380,435.68
  5. Step 5: Solve for x
    x = 46,380,435.68/7,829.12
  6. Step 6: Final answer
    x = 5,924.09

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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.