Home / 6,218.70-9,326.52-3,877.50

Finding the Fourth Proportional to 6,218.70, 9,326.52 and 3,877.50

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Solution

The fourth proportional to 6,218.70, 9,326.52 and 3,877.50 is: 5,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.70 : 9,326.52 = 3,877.50 : x
  2. Step 2: Convert to fraction form
    6,218.70/9,326.52 = 3,877.50/x
  3. Step 3: Cross multiply
    6,218.70x = 9,326.52 × 3,877.50
  4. Step 4: Simplify right side
    6,218.70x = 36,163,561.91
  5. Step 5: Solve for x
    x = 36,163,561.91/6,218.70
  6. Step 6: Final answer
    x = 5,815.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.