Home / 6,800.06-9,384.10-3,815.69

Finding the Fourth Proportional to 6,800.06, 9,384.10 and 3,815.69

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Solution

The fourth proportional to 6,800.06, 9,384.10 and 3,815.69 is: 5,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.06 : 9,384.10 = 3,815.69 : x
  2. Step 2: Convert to fraction form
    6,800.06/9,384.10 = 3,815.69/x
  3. Step 3: Cross multiply
    6,800.06x = 9,384.10 × 3,815.69
  4. Step 4: Simplify right side
    6,800.06x = 35,806,830.45
  5. Step 5: Solve for x
    x = 35,806,830.45/6,800.06
  6. Step 6: Final answer
    x = 5,265.67

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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.