Home / 4,084.48-5,622.78-3,690.28

Finding the Fourth Proportional to 4,084.48, 5,622.78 and 3,690.28

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Solution

The fourth proportional to 4,084.48, 5,622.78 and 3,690.28 is: 5,080.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.48 : 5,622.78 = 3,690.28 : x
  2. Step 2: Convert to fraction form
    4,084.48/5,622.78 = 3,690.28/x
  3. Step 3: Cross multiply
    4,084.48x = 5,622.78 × 3,690.28
  4. Step 4: Simplify right side
    4,084.48x = 20,749,632.58
  5. Step 5: Solve for x
    x = 20,749,632.58/4,084.48
  6. Step 6: Final answer
    x = 5,080.12

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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.