Home / 7,166.02-10,749.22-1,971.86

Finding the Fourth Proportional to 7,166.02, 10,749.22 and 1,971.86

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Solution

The fourth proportional to 7,166.02, 10,749.22 and 1,971.86 is: 2,957.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166.02 : 10,749.22 = 1,971.86 : x
  2. Step 2: Convert to fraction form
    7,166.02/10,749.22 = 1,971.86/x
  3. Step 3: Cross multiply
    7,166.02x = 10,749.22 × 1,971.86
  4. Step 4: Simplify right side
    7,166.02x = 21,195,956.95
  5. Step 5: Solve for x
    x = 21,195,956.95/7,166.02
  6. Step 6: Final answer
    x = 2,957.84

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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.