Home / 6,686.15-9,228.43-4,448.12

Finding the Fourth Proportional to 6,686.15, 9,228.43 and 4,448.12

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Solution

The fourth proportional to 6,686.15, 9,228.43 and 4,448.12 is: 6,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.15 : 9,228.43 = 4,448.12 : x
  2. Step 2: Convert to fraction form
    6,686.15/9,228.43 = 4,448.12/x
  3. Step 3: Cross multiply
    6,686.15x = 9,228.43 × 4,448.12
  4. Step 4: Simplify right side
    6,686.15x = 41,049,106.79
  5. Step 5: Solve for x
    x = 41,049,106.79/6,686.15
  6. Step 6: Final answer
    x = 6,139.43

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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.