Home / 6,818.24-10,230.50-3,121.60

Finding the Fourth Proportional to 6,818.24, 10,230.50 and 3,121.60

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Solution

The fourth proportional to 6,818.24, 10,230.50 and 3,121.60 is: 4,683.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.24 : 10,230.50 = 3,121.60 : x
  2. Step 2: Convert to fraction form
    6,818.24/10,230.50 = 3,121.60/x
  3. Step 3: Cross multiply
    6,818.24x = 10,230.50 × 3,121.60
  4. Step 4: Simplify right side
    6,818.24x = 31,935,528.80
  5. Step 5: Solve for x
    x = 31,935,528.80/6,818.24
  6. Step 6: Final answer
    x = 4,683.84

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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.