Home / 5,203.44-7,180.88-3,108.76

Finding the Fourth Proportional to 5,203.44, 7,180.88 and 3,108.76

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Solution

The fourth proportional to 5,203.44, 7,180.88 and 3,108.76 is: 4,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.44 : 7,180.88 = 3,108.76 : x
  2. Step 2: Convert to fraction form
    5,203.44/7,180.88 = 3,108.76/x
  3. Step 3: Cross multiply
    5,203.44x = 7,180.88 × 3,108.76
  4. Step 4: Simplify right side
    5,203.44x = 22,323,632.51
  5. Step 5: Solve for x
    x = 22,323,632.51/5,203.44
  6. Step 6: Final answer
    x = 4,290.17

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Half scale
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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.