Home / 6,922.95-10,384.09-1,992.55

Finding the Fourth Proportional to 6,922.95, 10,384.09 and 1,992.55

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Solution

The fourth proportional to 6,922.95, 10,384.09 and 1,992.55 is: 2,988.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.95 : 10,384.09 = 1,992.55 : x
  2. Step 2: Convert to fraction form
    6,922.95/10,384.09 = 1,992.55/x
  3. Step 3: Cross multiply
    6,922.95x = 10,384.09 × 1,992.55
  4. Step 4: Simplify right side
    6,922.95x = 20,690,818.53
  5. Step 5: Solve for x
    x = 20,690,818.53/6,922.95
  6. Step 6: Final answer
    x = 2,988.73

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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.