Home / 6,147.45-9,220.47-1,705.44

Finding the Fourth Proportional to 6,147.45, 9,220.47 and 1,705.44

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Solution

The fourth proportional to 6,147.45, 9,220.47 and 1,705.44 is: 2,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.45 : 9,220.47 = 1,705.44 : x
  2. Step 2: Convert to fraction form
    6,147.45/9,220.47 = 1,705.44/x
  3. Step 3: Cross multiply
    6,147.45x = 9,220.47 × 1,705.44
  4. Step 4: Simplify right side
    6,147.45x = 15,724,986.54
  5. Step 5: Solve for x
    x = 15,724,986.54/6,147.45
  6. Step 6: Final answer
    x = 2,557.97

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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.