Home / 4,211.26-6,316.65-1,289.56

Finding the Fourth Proportional to 4,211.26, 6,316.65 and 1,289.56

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Solution

The fourth proportional to 4,211.26, 6,316.65 and 1,289.56 is: 1,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.26 : 6,316.65 = 1,289.56 : x
  2. Step 2: Convert to fraction form
    4,211.26/6,316.65 = 1,289.56/x
  3. Step 3: Cross multiply
    4,211.26x = 6,316.65 × 1,289.56
  4. Step 4: Simplify right side
    4,211.26x = 8,145,699.17
  5. Step 5: Solve for x
    x = 8,145,699.17/4,211.26
  6. Step 6: Final answer
    x = 1,934.27

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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.