Home / 4,507.45-6,760.34-1,220.12

Finding the Fourth Proportional to 4,507.45, 6,760.34 and 1,220.12

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Solution

The fourth proportional to 4,507.45, 6,760.34 and 1,220.12 is: 1,829.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.45 : 6,760.34 = 1,220.12 : x
  2. Step 2: Convert to fraction form
    4,507.45/6,760.34 = 1,220.12/x
  3. Step 3: Cross multiply
    4,507.45x = 6,760.34 × 1,220.12
  4. Step 4: Simplify right side
    4,507.45x = 8,248,422.93
  5. Step 5: Solve for x
    x = 8,248,422.93/4,507.45
  6. Step 6: Final answer
    x = 1,829.95

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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.