Home / 6,827.35-9,421.72-3,843.19

Finding the Fourth Proportional to 6,827.35, 9,421.72 and 3,843.19

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Solution

The fourth proportional to 6,827.35, 9,421.72 and 3,843.19 is: 5,303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827.35 : 9,421.72 = 3,843.19 : x
  2. Step 2: Convert to fraction form
    6,827.35/9,421.72 = 3,843.19/x
  3. Step 3: Cross multiply
    6,827.35x = 9,421.72 × 3,843.19
  4. Step 4: Simplify right side
    6,827.35x = 36,209,462.26
  5. Step 5: Solve for x
    x = 36,209,462.26/6,827.35
  6. Step 6: Final answer
    x = 5,303.59

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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.