Home / 7,845.87-10,827.35-4,260.84

Finding the Fourth Proportional to 7,845.87, 10,827.35 and 4,260.84

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Solution

The fourth proportional to 7,845.87, 10,827.35 and 4,260.84 is: 5,879.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.87 : 10,827.35 = 4,260.84 : x
  2. Step 2: Convert to fraction form
    7,845.87/10,827.35 = 4,260.84/x
  3. Step 3: Cross multiply
    7,845.87x = 10,827.35 × 4,260.84
  4. Step 4: Simplify right side
    7,845.87x = 46,133,544.07
  5. Step 5: Solve for x
    x = 46,133,544.07/7,845.87
  6. Step 6: Final answer
    x = 5,879.98

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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.