Home / 6,289.80-8,677.98-3,636.24

Finding the Fourth Proportional to 6,289.80, 8,677.98 and 3,636.24

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Solution

The fourth proportional to 6,289.80, 8,677.98 and 3,636.24 is: 5,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.80 : 8,677.98 = 3,636.24 : x
  2. Step 2: Convert to fraction form
    6,289.80/8,677.98 = 3,636.24/x
  3. Step 3: Cross multiply
    6,289.80x = 8,677.98 × 3,636.24
  4. Step 4: Simplify right side
    6,289.80x = 31,555,218.00
  5. Step 5: Solve for x
    x = 31,555,218.00/6,289.80
  6. Step 6: Final answer
    x = 5,016.89

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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.