Home / 6,820.10-9,412.01-3,835.92

Finding the Fourth Proportional to 6,820.10, 9,412.01 and 3,835.92

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Solution

The fourth proportional to 6,820.10, 9,412.01 and 3,835.92 is: 5,293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.10 : 9,412.01 = 3,835.92 : x
  2. Step 2: Convert to fraction form
    6,820.10/9,412.01 = 3,835.92/x
  3. Step 3: Cross multiply
    6,820.10x = 9,412.01 × 3,835.92
  4. Step 4: Simplify right side
    6,820.10x = 36,103,698.22
  5. Step 5: Solve for x
    x = 36,103,698.22/6,820.10
  6. Step 6: Final answer
    x = 5,293.72

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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.