Home / 4,390.26-6,586.53-1,270.53

Finding the Fourth Proportional to 4,390.26, 6,586.53 and 1,270.53

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Solution

The fourth proportional to 4,390.26, 6,586.53 and 1,270.53 is: 1,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.26 : 6,586.53 = 1,270.53 : x
  2. Step 2: Convert to fraction form
    4,390.26/6,586.53 = 1,270.53/x
  3. Step 3: Cross multiply
    4,390.26x = 6,586.53 × 1,270.53
  4. Step 4: Simplify right side
    4,390.26x = 8,368,383.96
  5. Step 5: Solve for x
    x = 8,368,383.96/4,390.26
  6. Step 6: Final answer
    x = 1,906.12

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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.