Home / 5,203.42-7,180.86-3,108.76

Finding the Fourth Proportional to 5,203.42, 7,180.86 and 3,108.76

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Solution

The fourth proportional to 5,203.42, 7,180.86 and 3,108.76 is: 4,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.42 : 7,180.86 = 3,108.76 : x
  2. Step 2: Convert to fraction form
    5,203.42/7,180.86 = 3,108.76/x
  3. Step 3: Cross multiply
    5,203.42x = 7,180.86 × 3,108.76
  4. Step 4: Simplify right side
    5,203.42x = 22,323,570.33
  5. Step 5: Solve for x
    x = 22,323,570.33/5,203.42
  6. Step 6: Final answer
    x = 4,290.17

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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.