Home / 6,818.80-10,228.20-4,194.40

Finding the Fourth Proportional to 6,818.80, 10,228.20 and 4,194.40

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Solution

The fourth proportional to 6,818.80, 10,228.20 and 4,194.40 is: 6,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.80 : 10,228.20 = 4,194.40 : x
  2. Step 2: Convert to fraction form
    6,818.80/10,228.20 = 4,194.40/x
  3. Step 3: Cross multiply
    6,818.80x = 10,228.20 × 4,194.40
  4. Step 4: Simplify right side
    6,818.80x = 42,901,162.08
  5. Step 5: Solve for x
    x = 42,901,162.08/6,818.80
  6. Step 6: Final answer
    x = 6,291.60

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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.