Home / 6,828.66-9,421.84-5,236.94

Finding the Fourth Proportional to 6,828.66, 9,421.84 and 5,236.94

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Solution

The fourth proportional to 6,828.66, 9,421.84 and 5,236.94 is: 7,225.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.66 : 9,421.84 = 5,236.94 : x
  2. Step 2: Convert to fraction form
    6,828.66/9,421.84 = 5,236.94/x
  3. Step 3: Cross multiply
    6,828.66x = 9,421.84 × 5,236.94
  4. Step 4: Simplify right side
    6,828.66x = 49,341,610.77
  5. Step 5: Solve for x
    x = 49,341,610.77/6,828.66
  6. Step 6: Final answer
    x = 7,225.67

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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.