Home / 5,827.80-8,738.82-1,930.89

Finding the Fourth Proportional to 5,827.80, 8,738.82 and 1,930.89

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Solution

The fourth proportional to 5,827.80, 8,738.82 and 1,930.89 is: 2,895.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.80 : 8,738.82 = 1,930.89 : x
  2. Step 2: Convert to fraction form
    5,827.80/8,738.82 = 1,930.89/x
  3. Step 3: Cross multiply
    5,827.80x = 8,738.82 × 1,930.89
  4. Step 4: Simplify right side
    5,827.80x = 16,873,700.15
  5. Step 5: Solve for x
    x = 16,873,700.15/5,827.80
  6. Step 6: Final answer
    x = 2,895.38

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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.