Home / 6,900.18-10,354.51-2,739.46

Finding the Fourth Proportional to 6,900.18, 10,354.51 and 2,739.46

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Solution

The fourth proportional to 6,900.18, 10,354.51 and 2,739.46 is: 4,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.18 : 10,354.51 = 2,739.46 : x
  2. Step 2: Convert to fraction form
    6,900.18/10,354.51 = 2,739.46/x
  3. Step 3: Cross multiply
    6,900.18x = 10,354.51 × 2,739.46
  4. Step 4: Simplify right side
    6,900.18x = 28,365,765.96
  5. Step 5: Solve for x
    x = 28,365,765.96/6,900.18
  6. Step 6: Final answer
    x = 4,110.87

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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.