Home / 5,185.32-7,780.62-2,263.26

Finding the Fourth Proportional to 5,185.32, 7,780.62 and 2,263.26

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Solution

The fourth proportional to 5,185.32, 7,780.62 and 2,263.26 is: 3,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.32 : 7,780.62 = 2,263.26 : x
  2. Step 2: Convert to fraction form
    5,185.32/7,780.62 = 2,263.26/x
  3. Step 3: Cross multiply
    5,185.32x = 7,780.62 × 2,263.26
  4. Step 4: Simplify right side
    5,185.32x = 17,609,566.02
  5. Step 5: Solve for x
    x = 17,609,566.02/5,185.32
  6. Step 6: Final answer
    x = 3,396.04

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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.