Home / 4,199.30-6,298.72-1,277.38

Finding the Fourth Proportional to 4,199.30, 6,298.72 and 1,277.38

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Solution

The fourth proportional to 4,199.30, 6,298.72 and 1,277.38 is: 1,916.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.30 : 6,298.72 = 1,277.38 : x
  2. Step 2: Convert to fraction form
    4,199.30/6,298.72 = 1,277.38/x
  3. Step 3: Cross multiply
    4,199.30x = 6,298.72 × 1,277.38
  4. Step 4: Simplify right side
    4,199.30x = 8,045,843.21
  5. Step 5: Solve for x
    x = 8,045,843.21/4,199.30
  6. Step 6: Final answer
    x = 1,916.00

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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.