Home / 6,147.63-9,221.51-1,765.13

Finding the Fourth Proportional to 6,147.63, 9,221.51 and 1,765.13

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Solution

The fourth proportional to 6,147.63, 9,221.51 and 1,765.13 is: 2,647.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.63 : 9,221.51 = 1,765.13 : x
  2. Step 2: Convert to fraction form
    6,147.63/9,221.51 = 1,765.13/x
  3. Step 3: Cross multiply
    6,147.63x = 9,221.51 × 1,765.13
  4. Step 4: Simplify right side
    6,147.63x = 16,277,122.25
  5. Step 5: Solve for x
    x = 16,277,122.25/6,147.63
  6. Step 6: Final answer
    x = 2,647.71

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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.