Home / 6,218.80-8,582.07-3,424.30

Finding the Fourth Proportional to 6,218.80, 8,582.07 and 3,424.30

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Solution

The fourth proportional to 6,218.80, 8,582.07 and 3,424.30 is: 4,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.80 : 8,582.07 = 3,424.30 : x
  2. Step 2: Convert to fraction form
    6,218.80/8,582.07 = 3,424.30/x
  3. Step 3: Cross multiply
    6,218.80x = 8,582.07 × 3,424.30
  4. Step 4: Simplify right side
    6,218.80x = 29,387,582.30
  5. Step 5: Solve for x
    x = 29,387,582.30/6,218.80
  6. Step 6: Final answer
    x = 4,725.60

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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.