Home / 6,713.80-10,074.30-2,818.60

Finding the Fourth Proportional to 6,713.80, 10,074.30 and 2,818.60

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Solution

The fourth proportional to 6,713.80, 10,074.30 and 2,818.60 is: 4,229.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,713.80 : 10,074.30 = 2,818.60 : x
  2. Step 2: Convert to fraction form
    6,713.80/10,074.30 = 2,818.60/x
  3. Step 3: Cross multiply
    6,713.80x = 10,074.30 × 2,818.60
  4. Step 4: Simplify right side
    6,713.80x = 28,395,421.98
  5. Step 5: Solve for x
    x = 28,395,421.98/6,713.80
  6. Step 6: Final answer
    x = 4,229.41

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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.