Home / 5,842.50-8,063.40-3,857.19

Finding the Fourth Proportional to 5,842.50, 8,063.40 and 3,857.19

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Solution

The fourth proportional to 5,842.50, 8,063.40 and 3,857.19 is: 5,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.50 : 8,063.40 = 3,857.19 : x
  2. Step 2: Convert to fraction form
    5,842.50/8,063.40 = 3,857.19/x
  3. Step 3: Cross multiply
    5,842.50x = 8,063.40 × 3,857.19
  4. Step 4: Simplify right side
    5,842.50x = 31,102,065.85
  5. Step 5: Solve for x
    x = 31,102,065.85/5,842.50
  6. Step 6: Final answer
    x = 5,323.42

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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.