Home / 4,804.86-6,628.35-3,211.89

Finding the Fourth Proportional to 4,804.86, 6,628.35 and 3,211.89

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Solution

The fourth proportional to 4,804.86, 6,628.35 and 3,211.89 is: 4,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.86 : 6,628.35 = 3,211.89 : x
  2. Step 2: Convert to fraction form
    4,804.86/6,628.35 = 3,211.89/x
  3. Step 3: Cross multiply
    4,804.86x = 6,628.35 × 3,211.89
  4. Step 4: Simplify right side
    4,804.86x = 21,289,531.08
  5. Step 5: Solve for x
    x = 21,289,531.08/4,804.86
  6. Step 6: Final answer
    x = 4,430.83

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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.