Home / 4,199.16-6,299.46-1,277.40

Finding the Fourth Proportional to 4,199.16, 6,299.46 and 1,277.40

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Solution

The fourth proportional to 4,199.16, 6,299.46 and 1,277.40 is: 1,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.16 : 6,299.46 = 1,277.40 : x
  2. Step 2: Convert to fraction form
    4,199.16/6,299.46 = 1,277.40/x
  3. Step 3: Cross multiply
    4,199.16x = 6,299.46 × 1,277.40
  4. Step 4: Simplify right side
    4,199.16x = 8,046,930.20
  5. Step 5: Solve for x
    x = 8,046,930.20/4,199.16
  6. Step 6: Final answer
    x = 1,916.32

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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.