Home / 4,507.80-6,760.92-1,220.46

Finding the Fourth Proportional to 4,507.80, 6,760.92 and 1,220.46

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Solution

The fourth proportional to 4,507.80, 6,760.92 and 1,220.46 is: 1,830.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.80 : 6,760.92 = 1,220.46 : x
  2. Step 2: Convert to fraction form
    4,507.80/6,760.92 = 1,220.46/x
  3. Step 3: Cross multiply
    4,507.80x = 6,760.92 × 1,220.46
  4. Step 4: Simplify right side
    4,507.80x = 8,251,432.42
  5. Step 5: Solve for x
    x = 8,251,432.42/4,507.80
  6. Step 6: Final answer
    x = 1,830.48

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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.