Home / 5,311.63-7,330-2,953.75

Finding the Fourth Proportional to 5,311.63, 7,330 and 2,953.75

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Solution

The fourth proportional to 5,311.63, 7,330 and 2,953.75 is: 4,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.63 : 7,330 = 2,953.75 : x
  2. Step 2: Convert to fraction form
    5,311.63/7,330 = 2,953.75/x
  3. Step 3: Cross multiply
    5,311.63x = 7,330 × 2,953.75
  4. Step 4: Simplify right side
    5,311.63x = 21,650,987.50
  5. Step 5: Solve for x
    x = 21,650,987.50/5,311.63
  6. Step 6: Final answer
    x = 4,076.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.