Home / 4,721.04-7,081.44-2,257.60

Finding the Fourth Proportional to 4,721.04, 7,081.44 and 2,257.60

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Solution

The fourth proportional to 4,721.04, 7,081.44 and 2,257.60 is: 3,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.04 : 7,081.44 = 2,257.60 : x
  2. Step 2: Convert to fraction form
    4,721.04/7,081.44 = 2,257.60/x
  3. Step 3: Cross multiply
    4,721.04x = 7,081.44 × 2,257.60
  4. Step 4: Simplify right side
    4,721.04x = 15,987,058.94
  5. Step 5: Solve for x
    x = 15,987,058.94/4,721.04
  6. Step 6: Final answer
    x = 3,386.34

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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.