Home / 7,166.07-10,749.51-1,971.95

Finding the Fourth Proportional to 7,166.07, 10,749.51 and 1,971.95

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Solution

The fourth proportional to 7,166.07, 10,749.51 and 1,971.95 is: 2,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166.07 : 10,749.51 = 1,971.95 : x
  2. Step 2: Convert to fraction form
    7,166.07/10,749.51 = 1,971.95/x
  3. Step 3: Cross multiply
    7,166.07x = 10,749.51 × 1,971.95
  4. Step 4: Simplify right side
    7,166.07x = 21,197,442.50
  5. Step 5: Solve for x
    x = 21,197,442.50/7,166.07
  6. Step 6: Final answer
    x = 2,958.03

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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.