Home / 6,686.22-9,228.35-4,448.19

Finding the Fourth Proportional to 6,686.22, 9,228.35 and 4,448.19

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Solution

The fourth proportional to 6,686.22, 9,228.35 and 4,448.19 is: 6,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.22 : 9,228.35 = 4,448.19 : x
  2. Step 2: Convert to fraction form
    6,686.22/9,228.35 = 4,448.19/x
  3. Step 3: Cross multiply
    6,686.22x = 9,228.35 × 4,448.19
  4. Step 4: Simplify right side
    6,686.22x = 41,049,465.31
  5. Step 5: Solve for x
    x = 41,049,465.31/6,686.22
  6. Step 6: Final answer
    x = 6,139.41

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Half scale
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Double scale
Find fourth proportional to 6,687.22, 9,229.73 and 4,449.19
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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.