Home / 5,731.56-7,907.09-3,608.01

Finding the Fourth Proportional to 5,731.56, 7,907.09 and 3,608.01

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Solution

The fourth proportional to 5,731.56, 7,907.09 and 3,608.01 is: 4,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.56 : 7,907.09 = 3,608.01 : x
  2. Step 2: Convert to fraction form
    5,731.56/7,907.09 = 3,608.01/x
  3. Step 3: Cross multiply
    5,731.56x = 7,907.09 × 3,608.01
  4. Step 4: Simplify right side
    5,731.56x = 28,528,841.75
  5. Step 5: Solve for x
    x = 28,528,841.75/5,731.56
  6. Step 6: Final answer
    x = 4,977.50

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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.