Home / 7,647.57-11,463.96-4,182.39

Finding the Fourth Proportional to 7,647.57, 11,463.96 and 4,182.39

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Solution

The fourth proportional to 7,647.57, 11,463.96 and 4,182.39 is: 6,269.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.57 : 11,463.96 = 4,182.39 : x
  2. Step 2: Convert to fraction form
    7,647.57/11,463.96 = 4,182.39/x
  3. Step 3: Cross multiply
    7,647.57x = 11,463.96 × 4,182.39
  4. Step 4: Simplify right side
    7,647.57x = 47,946,751.66
  5. Step 5: Solve for x
    x = 47,946,751.66/7,647.57
  6. Step 6: Final answer
    x = 6,269.54

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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.