Home / 4,990.24-6,885.30-2,893.96

Finding the Fourth Proportional to 4,990.24, 6,885.30 and 2,893.96

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Solution

The fourth proportional to 4,990.24, 6,885.30 and 2,893.96 is: 3,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.24 : 6,885.30 = 2,893.96 : x
  2. Step 2: Convert to fraction form
    4,990.24/6,885.30 = 2,893.96/x
  3. Step 3: Cross multiply
    4,990.24x = 6,885.30 × 2,893.96
  4. Step 4: Simplify right side
    4,990.24x = 19,925,782.79
  5. Step 5: Solve for x
    x = 19,925,782.79/4,990.24
  6. Step 6: Final answer
    x = 3,992.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.