Home / 6,800.00-10,178.60-4,679.21

Finding the Fourth Proportional to 6,800.00, 10,178.60 and 4,679.21

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Solution

The fourth proportional to 6,800.00, 10,178.60 and 4,679.21 is: 7,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.00 : 10,178.60 = 4,679.21 : x
  2. Step 2: Convert to fraction form
    6,800.00/10,178.60 = 4,679.21/x
  3. Step 3: Cross multiply
    6,800.00x = 10,178.60 × 4,679.21
  4. Step 4: Simplify right side
    6,800.00x = 47,627,732.62
  5. Step 5: Solve for x
    x = 47,627,732.62/6,800.00
  6. Step 6: Final answer
    x = 7,004.08

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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.