Home / 9,171.58-13,757.37-4,788.01

Finding the Fourth Proportional to 9,171.58, 13,757.37 and 4,788.01

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Solution

The fourth proportional to 9,171.58, 13,757.37 and 4,788.01 is: 7,182.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.58 : 13,757.37 = 4,788.01 : x
  2. Step 2: Convert to fraction form
    9,171.58/13,757.37 = 4,788.01/x
  3. Step 3: Cross multiply
    9,171.58x = 13,757.37 × 4,788.01
  4. Step 4: Simplify right side
    9,171.58x = 65,870,437.84
  5. Step 5: Solve for x
    x = 65,870,437.84/9,171.58
  6. Step 6: Final answer
    x = 7,182.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.