Home / 4,509.45-6,763.34-1,222.12

Finding the Fourth Proportional to 4,509.45, 6,763.34 and 1,222.12

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Solution

The fourth proportional to 4,509.45, 6,763.34 and 1,222.12 is: 1,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.45 : 6,763.34 = 1,222.12 : x
  2. Step 2: Convert to fraction form
    4,509.45/6,763.34 = 1,222.12/x
  3. Step 3: Cross multiply
    4,509.45x = 6,763.34 × 1,222.12
  4. Step 4: Simplify right side
    4,509.45x = 8,265,613.08
  5. Step 5: Solve for x
    x = 8,265,613.08/4,509.45
  6. Step 6: Final answer
    x = 1,832.95

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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.