Home / 4,211.82-6,316.80-1,289.52

Finding the Fourth Proportional to 4,211.82, 6,316.80 and 1,289.52

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Solution

The fourth proportional to 4,211.82, 6,316.80 and 1,289.52 is: 1,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.82 : 6,316.80 = 1,289.52 : x
  2. Step 2: Convert to fraction form
    4,211.82/6,316.80 = 1,289.52/x
  3. Step 3: Cross multiply
    4,211.82x = 6,316.80 × 1,289.52
  4. Step 4: Simplify right side
    4,211.82x = 8,145,639.94
  5. Step 5: Solve for x
    x = 8,145,639.94/4,211.82
  6. Step 6: Final answer
    x = 1,934.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.