Home / 6,784.42-10,222.84-5,578.83

Finding the Fourth Proportional to 6,784.42, 10,222.84 and 5,578.83

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Solution

The fourth proportional to 6,784.42, 10,222.84 and 5,578.83 is: 8,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784.42 : 10,222.84 = 5,578.83 : x
  2. Step 2: Convert to fraction form
    6,784.42/10,222.84 = 5,578.83/x
  3. Step 3: Cross multiply
    6,784.42x = 10,222.84 × 5,578.83
  4. Step 4: Simplify right side
    6,784.42x = 57,031,471.36
  5. Step 5: Solve for x
    x = 57,031,471.36/6,784.42
  6. Step 6: Final answer
    x = 8,406.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.