Home / 4,812.15-7,210.92-3,573.75

Finding the Fourth Proportional to 4,812.15, 7,210.92 and 3,573.75

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Solution

The fourth proportional to 4,812.15, 7,210.92 and 3,573.75 is: 5,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.15 : 7,210.92 = 3,573.75 : x
  2. Step 2: Convert to fraction form
    4,812.15/7,210.92 = 3,573.75/x
  3. Step 3: Cross multiply
    4,812.15x = 7,210.92 × 3,573.75
  4. Step 4: Simplify right side
    4,812.15x = 25,770,025.35
  5. Step 5: Solve for x
    x = 25,770,025.35/4,812.15
  6. Step 6: Final answer
    x = 5,355.20

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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.