Home / 6,690.36-10,040.40-2,794.80

Finding the Fourth Proportional to 6,690.36, 10,040.40 and 2,794.80

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Solution

The fourth proportional to 6,690.36, 10,040.40 and 2,794.80 is: 4,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.36 : 10,040.40 = 2,794.80 : x
  2. Step 2: Convert to fraction form
    6,690.36/10,040.40 = 2,794.80/x
  3. Step 3: Cross multiply
    6,690.36x = 10,040.40 × 2,794.80
  4. Step 4: Simplify right side
    6,690.36x = 28,060,909.92
  5. Step 5: Solve for x
    x = 28,060,909.92/6,690.36
  6. Step 6: Final answer
    x = 4,194.23

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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.