Home / 4,200.26-6,299.64-1,277.87

Finding the Fourth Proportional to 4,200.26, 6,299.64 and 1,277.87

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Solution

The fourth proportional to 4,200.26, 6,299.64 and 1,277.87 is: 1,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.26 : 6,299.64 = 1,277.87 : x
  2. Step 2: Convert to fraction form
    4,200.26/6,299.64 = 1,277.87/x
  3. Step 3: Cross multiply
    4,200.26x = 6,299.64 × 1,277.87
  4. Step 4: Simplify right side
    4,200.26x = 8,050,089.47
  5. Step 5: Solve for x
    x = 8,050,089.47/4,200.26
  6. Step 6: Final answer
    x = 1,916.57

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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.