Home / 5,106.12-7,661.40-2,794.92

Finding the Fourth Proportional to 5,106.12, 7,661.40 and 2,794.92

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Solution

The fourth proportional to 5,106.12, 7,661.40 and 2,794.92 is: 4,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.12 : 7,661.40 = 2,794.92 : x
  2. Step 2: Convert to fraction form
    5,106.12/7,661.40 = 2,794.92/x
  3. Step 3: Cross multiply
    5,106.12x = 7,661.40 × 2,794.92
  4. Step 4: Simplify right side
    5,106.12x = 21,413,000.09
  5. Step 5: Solve for x
    x = 21,413,000.09/5,106.12
  6. Step 6: Final answer
    x = 4,193.60

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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.