Home / 4,801.68-6,624.79-2,812.19

Finding the Fourth Proportional to 4,801.68, 6,624.79 and 2,812.19

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Solution

The fourth proportional to 4,801.68, 6,624.79 and 2,812.19 is: 3,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,801.68 : 6,624.79 = 2,812.19 : x
  2. Step 2: Convert to fraction form
    4,801.68/6,624.79 = 2,812.19/x
  3. Step 3: Cross multiply
    4,801.68x = 6,624.79 × 2,812.19
  4. Step 4: Simplify right side
    4,801.68x = 18,630,128.04
  5. Step 5: Solve for x
    x = 18,630,128.04/4,801.68
  6. Step 6: Final answer
    x = 3,879.92

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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.