Home / 6,209.13-8,569.67-4,218.33

Finding the Fourth Proportional to 6,209.13, 8,569.67 and 4,218.33

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Solution

The fourth proportional to 6,209.13, 8,569.67 and 4,218.33 is: 5,822.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.13 : 8,569.67 = 4,218.33 : x
  2. Step 2: Convert to fraction form
    6,209.13/8,569.67 = 4,218.33/x
  3. Step 3: Cross multiply
    6,209.13x = 8,569.67 × 4,218.33
  4. Step 4: Simplify right side
    6,209.13x = 36,149,674.96
  5. Step 5: Solve for x
    x = 36,149,674.96/6,209.13
  6. Step 6: Final answer
    x = 5,822.02

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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.