Home / 4,508.50-6,762.84-1,221.88

Finding the Fourth Proportional to 4,508.50, 6,762.84 and 1,221.88

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Solution

The fourth proportional to 4,508.50, 6,762.84 and 1,221.88 is: 1,832.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.50 : 6,762.84 = 1,221.88 : x
  2. Step 2: Convert to fraction form
    4,508.50/6,762.84 = 1,221.88/x
  3. Step 3: Cross multiply
    4,508.50x = 6,762.84 × 1,221.88
  4. Step 4: Simplify right side
    4,508.50x = 8,263,378.94
  5. Step 5: Solve for x
    x = 8,263,378.94/4,508.50
  6. Step 6: Final answer
    x = 1,832.84

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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.