Home / 7,822.80-10,795.44-4,285.92

Finding the Fourth Proportional to 7,822.80, 10,795.44 and 4,285.92

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Solution

The fourth proportional to 7,822.80, 10,795.44 and 4,285.92 is: 5,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.80 : 10,795.44 = 4,285.92 : x
  2. Step 2: Convert to fraction form
    7,822.80/10,795.44 = 4,285.92/x
  3. Step 3: Cross multiply
    7,822.80x = 10,795.44 × 4,285.92
  4. Step 4: Simplify right side
    7,822.80x = 46,268,392.20
  5. Step 5: Solve for x
    x = 46,268,392.20/7,822.80
  6. Step 6: Final answer
    x = 5,914.56

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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.