Home / 4,213.80-5,815.32-3,095.22

Finding the Fourth Proportional to 4,213.80, 5,815.32 and 3,095.22

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Solution

The fourth proportional to 4,213.80, 5,815.32 and 3,095.22 is: 4,271.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.80 : 5,815.32 = 3,095.22 : x
  2. Step 2: Convert to fraction form
    4,213.80/5,815.32 = 3,095.22/x
  3. Step 3: Cross multiply
    4,213.80x = 5,815.32 × 3,095.22
  4. Step 4: Simplify right side
    4,213.80x = 17,999,694.77
  5. Step 5: Solve for x
    x = 17,999,694.77/4,213.80
  6. Step 6: Final answer
    x = 4,271.61

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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.