Home / 5,235.06-7,230.80-3,914.64

Finding the Fourth Proportional to 5,235.06, 7,230.80 and 3,914.64

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Solution

The fourth proportional to 5,235.06, 7,230.80 and 3,914.64 is: 5,407.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.06 : 7,230.80 = 3,914.64 : x
  2. Step 2: Convert to fraction form
    5,235.06/7,230.80 = 3,914.64/x
  3. Step 3: Cross multiply
    5,235.06x = 7,230.80 × 3,914.64
  4. Step 4: Simplify right side
    5,235.06x = 28,305,959.34
  5. Step 5: Solve for x
    x = 28,305,959.34/5,235.06
  6. Step 6: Final answer
    x = 5,407.00

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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.