Home / 4,479.39-6,186.74-3,365.19

Finding the Fourth Proportional to 4,479.39, 6,186.74 and 3,365.19

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Solution

The fourth proportional to 4,479.39, 6,186.74 and 3,365.19 is: 4,647.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.39 : 6,186.74 = 3,365.19 : x
  2. Step 2: Convert to fraction form
    4,479.39/6,186.74 = 3,365.19/x
  3. Step 3: Cross multiply
    4,479.39x = 6,186.74 × 3,365.19
  4. Step 4: Simplify right side
    4,479.39x = 20,819,555.58
  5. Step 5: Solve for x
    x = 20,819,555.58/4,479.39
  6. Step 6: Final answer
    x = 4,647.86

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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.