Home / 6,939.96-10,415.34-2,558.67

Finding the Fourth Proportional to 6,939.96, 10,415.34 and 2,558.67

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Solution

The fourth proportional to 6,939.96, 10,415.34 and 2,558.67 is: 3,840.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.96 : 10,415.34 = 2,558.67 : x
  2. Step 2: Convert to fraction form
    6,939.96/10,415.34 = 2,558.67/x
  3. Step 3: Cross multiply
    6,939.96x = 10,415.34 × 2,558.67
  4. Step 4: Simplify right side
    6,939.96x = 26,649,418.00
  5. Step 5: Solve for x
    x = 26,649,418.00/6,939.96
  6. Step 6: Final answer
    x = 3,840.00

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1.5x scale

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.