Home / 6,820.30-9,412.23-3,835.99

Finding the Fourth Proportional to 6,820.30, 9,412.23 and 3,835.99

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Solution

The fourth proportional to 6,820.30, 9,412.23 and 3,835.99 is: 5,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.30 : 9,412.23 = 3,835.99 : x
  2. Step 2: Convert to fraction form
    6,820.30/9,412.23 = 3,835.99/x
  3. Step 3: Cross multiply
    6,820.30x = 9,412.23 × 3,835.99
  4. Step 4: Simplify right side
    6,820.30x = 36,105,220.16
  5. Step 5: Solve for x
    x = 36,105,220.16/6,820.30
  6. Step 6: Final answer
    x = 5,293.79

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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.