Home / 4,812.12-6,641.84-2,823.32

Finding the Fourth Proportional to 4,812.12, 6,641.84 and 2,823.32

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Solution

The fourth proportional to 4,812.12, 6,641.84 and 2,823.32 is: 3,896.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.12 : 6,641.84 = 2,823.32 : x
  2. Step 2: Convert to fraction form
    4,812.12/6,641.84 = 2,823.32/x
  3. Step 3: Cross multiply
    4,812.12x = 6,641.84 × 2,823.32
  4. Step 4: Simplify right side
    4,812.12x = 18,752,063.37
  5. Step 5: Solve for x
    x = 18,752,063.37/4,812.12
  6. Step 6: Final answer
    x = 3,896.84

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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.