Home / 6,460.13-9,690.60-2,076.41

Finding the Fourth Proportional to 6,460.13, 9,690.60 and 2,076.41

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Solution

The fourth proportional to 6,460.13, 9,690.60 and 2,076.41 is: 3,114.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460.13 : 9,690.60 = 2,076.41 : x
  2. Step 2: Convert to fraction form
    6,460.13/9,690.60 = 2,076.41/x
  3. Step 3: Cross multiply
    6,460.13x = 9,690.60 × 2,076.41
  4. Step 4: Simplify right side
    6,460.13x = 20,121,658.75
  5. Step 5: Solve for x
    x = 20,121,658.75/6,460.13
  6. Step 6: Final answer
    x = 3,114.75

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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.