Home / 6,920.16-10,374.44-3,021.60

Finding the Fourth Proportional to 6,920.16, 10,374.44 and 3,021.60

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Solution

The fourth proportional to 6,920.16, 10,374.44 and 3,021.60 is: 4,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.16 : 10,374.44 = 3,021.60 : x
  2. Step 2: Convert to fraction form
    6,920.16/10,374.44 = 3,021.60/x
  3. Step 3: Cross multiply
    6,920.16x = 10,374.44 × 3,021.60
  4. Step 4: Simplify right side
    6,920.16x = 31,347,407.90
  5. Step 5: Solve for x
    x = 31,347,407.90/6,920.16
  6. Step 6: Final answer
    x = 4,529.87

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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.