Home / 6,814.80-10,222.20-1,884.30

Finding the Fourth Proportional to 6,814.80, 10,222.20 and 1,884.30

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Solution

The fourth proportional to 6,814.80, 10,222.20 and 1,884.30 is: 2,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.80 : 10,222.20 = 1,884.30 : x
  2. Step 2: Convert to fraction form
    6,814.80/10,222.20 = 1,884.30/x
  3. Step 3: Cross multiply
    6,814.80x = 10,222.20 × 1,884.30
  4. Step 4: Simplify right side
    6,814.80x = 19,261,691.46
  5. Step 5: Solve for x
    x = 19,261,691.46/6,814.80
  6. Step 6: Final answer
    x = 2,826.45

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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.