Home / 6,771.80-10,158.10-2,611.23

Finding the Fourth Proportional to 6,771.80, 10,158.10 and 2,611.23

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Solution

The fourth proportional to 6,771.80, 10,158.10 and 2,611.23 is: 3,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771.80 : 10,158.10 = 2,611.23 : x
  2. Step 2: Convert to fraction form
    6,771.80/10,158.10 = 2,611.23/x
  3. Step 3: Cross multiply
    6,771.80x = 10,158.10 × 2,611.23
  4. Step 4: Simplify right side
    6,771.80x = 26,525,135.46
  5. Step 5: Solve for x
    x = 26,525,135.46/6,771.80
  6. Step 6: Final answer
    x = 3,917.00

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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.