Home / 9,173.51-13,762.19-4,789.79

Finding the Fourth Proportional to 9,173.51, 13,762.19 and 4,789.79

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Solution

The fourth proportional to 9,173.51, 13,762.19 and 4,789.79 is: 7,185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.51 : 13,762.19 = 4,789.79 : x
  2. Step 2: Convert to fraction form
    9,173.51/13,762.19 = 4,789.79/x
  3. Step 3: Cross multiply
    9,173.51x = 13,762.19 × 4,789.79
  4. Step 4: Simplify right side
    9,173.51x = 65,918,000.04
  5. Step 5: Solve for x
    x = 65,918,000.04/9,173.51
  6. Step 6: Final answer
    x = 7,185.69

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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.