Home / 4,199.18-6,299.12-1,277.51

Finding the Fourth Proportional to 4,199.18, 6,299.12 and 1,277.51

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Solution

The fourth proportional to 4,199.18, 6,299.12 and 1,277.51 is: 1,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.18 : 6,299.12 = 1,277.51 : x
  2. Step 2: Convert to fraction form
    4,199.18/6,299.12 = 1,277.51/x
  3. Step 3: Cross multiply
    4,199.18x = 6,299.12 × 1,277.51
  4. Step 4: Simplify right side
    4,199.18x = 8,047,207.73
  5. Step 5: Solve for x
    x = 8,047,207.73/4,199.18
  6. Step 6: Final answer
    x = 1,916.37

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1.5x scale

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.