Home / 4,816.20-7,224.68-1,856.08

Finding the Fourth Proportional to 4,816.20, 7,224.68 and 1,856.08

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Solution

The fourth proportional to 4,816.20, 7,224.68 and 1,856.08 is: 2,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.20 : 7,224.68 = 1,856.08 : x
  2. Step 2: Convert to fraction form
    4,816.20/7,224.68 = 1,856.08/x
  3. Step 3: Cross multiply
    4,816.20x = 7,224.68 × 1,856.08
  4. Step 4: Simplify right side
    4,816.20x = 13,409,584.05
  5. Step 5: Solve for x
    x = 13,409,584.05/4,816.20
  6. Step 6: Final answer
    x = 2,784.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.