Home / 4,086.04-5,640.42-3,036.28

Finding the Fourth Proportional to 4,086.04, 5,640.42 and 3,036.28

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Solution

The fourth proportional to 4,086.04, 5,640.42 and 3,036.28 is: 4,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.04 : 5,640.42 = 3,036.28 : x
  2. Step 2: Convert to fraction form
    4,086.04/5,640.42 = 3,036.28/x
  3. Step 3: Cross multiply
    4,086.04x = 5,640.42 × 3,036.28
  4. Step 4: Simplify right side
    4,086.04x = 17,125,894.44
  5. Step 5: Solve for x
    x = 17,125,894.44/4,086.04
  6. Step 6: Final answer
    x = 4,191.32

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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.