Home / 6,888.76-10,330.75-2,939.86

Finding the Fourth Proportional to 6,888.76, 10,330.75 and 2,939.86

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Solution

The fourth proportional to 6,888.76, 10,330.75 and 2,939.86 is: 4,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.76 : 10,330.75 = 2,939.86 : x
  2. Step 2: Convert to fraction form
    6,888.76/10,330.75 = 2,939.86/x
  3. Step 3: Cross multiply
    6,888.76x = 10,330.75 × 2,939.86
  4. Step 4: Simplify right side
    6,888.76x = 30,370,958.70
  5. Step 5: Solve for x
    x = 30,370,958.70/6,888.76
  6. Step 6: Final answer
    x = 4,408.77

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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.