Home / 6,683.99-9,222.86-4,449.20

Finding the Fourth Proportional to 6,683.99, 9,222.86 and 4,449.20

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Solution

The fourth proportional to 6,683.99, 9,222.86 and 4,449.20 is: 6,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,683.99 : 9,222.86 = 4,449.20 : x
  2. Step 2: Convert to fraction form
    6,683.99/9,222.86 = 4,449.20/x
  3. Step 3: Cross multiply
    6,683.99x = 9,222.86 × 4,449.20
  4. Step 4: Simplify right side
    6,683.99x = 41,034,313.72
  5. Step 5: Solve for x
    x = 41,034,313.72/6,683.99
  6. Step 6: Final answer
    x = 6,139.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.