Home / 4,507.39-6,760.25-1,220.06

Finding the Fourth Proportional to 4,507.39, 6,760.25 and 1,220.06

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Solution

The fourth proportional to 4,507.39, 6,760.25 and 1,220.06 is: 1,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.39 : 6,760.25 = 1,220.06 : x
  2. Step 2: Convert to fraction form
    4,507.39/6,760.25 = 1,220.06/x
  3. Step 3: Cross multiply
    4,507.39x = 6,760.25 × 1,220.06
  4. Step 4: Simplify right side
    4,507.39x = 8,247,876.81
  5. Step 5: Solve for x
    x = 8,247,876.81/4,507.39
  6. Step 6: Final answer
    x = 1,829.86

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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.