Home / 6,881.37-10,315.08-2,719.77

Finding the Fourth Proportional to 6,881.37, 10,315.08 and 2,719.77

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Solution

The fourth proportional to 6,881.37, 10,315.08 and 2,719.77 is: 4,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.37 : 10,315.08 = 2,719.77 : x
  2. Step 2: Convert to fraction form
    6,881.37/10,315.08 = 2,719.77/x
  3. Step 3: Cross multiply
    6,881.37x = 10,315.08 × 2,719.77
  4. Step 4: Simplify right side
    6,881.37x = 28,054,645.13
  5. Step 5: Solve for x
    x = 28,054,645.13/6,881.37
  6. Step 6: Final answer
    x = 4,076.90

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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.