Home / 6,929.30-9,562.77-4,239.67

Finding the Fourth Proportional to 6,929.30, 9,562.77 and 4,239.67

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Solution

The fourth proportional to 6,929.30, 9,562.77 and 4,239.67 is: 5,850.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.30 : 9,562.77 = 4,239.67 : x
  2. Step 2: Convert to fraction form
    6,929.30/9,562.77 = 4,239.67/x
  3. Step 3: Cross multiply
    6,929.30x = 9,562.77 × 4,239.67
  4. Step 4: Simplify right side
    6,929.30x = 40,542,999.69
  5. Step 5: Solve for x
    x = 40,542,999.69/6,929.30
  6. Step 6: Final answer
    x = 5,850.96

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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.