Home / 7,980.48-11,971.53-3,054.27

Finding the Fourth Proportional to 7,980.48, 11,971.53 and 3,054.27

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Solution

The fourth proportional to 7,980.48, 11,971.53 and 3,054.27 is: 4,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980.48 : 11,971.53 = 3,054.27 : x
  2. Step 2: Convert to fraction form
    7,980.48/11,971.53 = 3,054.27/x
  3. Step 3: Cross multiply
    7,980.48x = 11,971.53 × 3,054.27
  4. Step 4: Simplify right side
    7,980.48x = 36,564,284.93
  5. Step 5: Solve for x
    x = 36,564,284.93/7,980.48
  6. Step 6: Final answer
    x = 4,581.72

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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.