Home / 5,309.58-7,327.55-3,072.16

Finding the Fourth Proportional to 5,309.58, 7,327.55 and 3,072.16

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Solution

The fourth proportional to 5,309.58, 7,327.55 and 3,072.16 is: 4,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.58 : 7,327.55 = 3,072.16 : x
  2. Step 2: Convert to fraction form
    5,309.58/7,327.55 = 3,072.16/x
  3. Step 3: Cross multiply
    5,309.58x = 7,327.55 × 3,072.16
  4. Step 4: Simplify right side
    5,309.58x = 22,511,406.01
  5. Step 5: Solve for x
    x = 22,511,406.01/5,309.58
  6. Step 6: Final answer
    x = 4,239.77

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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.