Home / 5,235.29-7,855.62-2,894.85

Finding the Fourth Proportional to 5,235.29, 7,855.62 and 2,894.85

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Solution

The fourth proportional to 5,235.29, 7,855.62 and 2,894.85 is: 4,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.29 : 7,855.62 = 2,894.85 : x
  2. Step 2: Convert to fraction form
    5,235.29/7,855.62 = 2,894.85/x
  3. Step 3: Cross multiply
    5,235.29x = 7,855.62 × 2,894.85
  4. Step 4: Simplify right side
    5,235.29x = 22,740,841.56
  5. Step 5: Solve for x
    x = 22,740,841.56/5,235.29
  6. Step 6: Final answer
    x = 4,343.76

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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.