Home / 6,277.12-8,661.03-3,623.95

Finding the Fourth Proportional to 6,277.12, 8,661.03 and 3,623.95

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Solution

The fourth proportional to 6,277.12, 8,661.03 and 3,623.95 is: 5,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.12 : 8,661.03 = 3,623.95 : x
  2. Step 2: Convert to fraction form
    6,277.12/8,661.03 = 3,623.95/x
  3. Step 3: Cross multiply
    6,277.12x = 8,661.03 × 3,623.95
  4. Step 4: Simplify right side
    6,277.12x = 31,387,139.67
  5. Step 5: Solve for x
    x = 31,387,139.67/6,277.12
  6. Step 6: Final answer
    x = 5,000.25

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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.