Home / 7,911.42-10,914.87-6,094.99

Finding the Fourth Proportional to 7,911.42, 10,914.87 and 6,094.99

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Solution

The fourth proportional to 7,911.42, 10,914.87 and 6,094.99 is: 8,408.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.42 : 10,914.87 = 6,094.99 : x
  2. Step 2: Convert to fraction form
    7,911.42/10,914.87 = 6,094.99/x
  3. Step 3: Cross multiply
    7,911.42x = 10,914.87 × 6,094.99
  4. Step 4: Simplify right side
    7,911.42x = 66,526,023.50
  5. Step 5: Solve for x
    x = 66,526,023.50/7,911.42
  6. Step 6: Final answer
    x = 8,408.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.