Home / 5,076.30-7,616.90-1,790.94

Finding the Fourth Proportional to 5,076.30, 7,616.90 and 1,790.94

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Solution

The fourth proportional to 5,076.30, 7,616.90 and 1,790.94 is: 2,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.30 : 7,616.90 = 1,790.94 : x
  2. Step 2: Convert to fraction form
    5,076.30/7,616.90 = 1,790.94/x
  3. Step 3: Cross multiply
    5,076.30x = 7,616.90 × 1,790.94
  4. Step 4: Simplify right side
    5,076.30x = 13,641,443.93
  5. Step 5: Solve for x
    x = 13,641,443.93/5,076.30
  6. Step 6: Final answer
    x = 2,687.28

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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.