Home / 6,147.12-9,222.05-1,764.24

Finding the Fourth Proportional to 6,147.12, 9,222.05 and 1,764.24

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Solution

The fourth proportional to 6,147.12, 9,222.05 and 1,764.24 is: 2,646.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.12 : 9,222.05 = 1,764.24 : x
  2. Step 2: Convert to fraction form
    6,147.12/9,222.05 = 1,764.24/x
  3. Step 3: Cross multiply
    6,147.12x = 9,222.05 × 1,764.24
  4. Step 4: Simplify right side
    6,147.12x = 16,269,900.67
  5. Step 5: Solve for x
    x = 16,269,900.67/6,147.12
  6. Step 6: Final answer
    x = 2,646.75

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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.