Home / 8,391.85-12,577.01-3,464.95

Finding the Fourth Proportional to 8,391.85, 12,577.01 and 3,464.95

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Solution

The fourth proportional to 8,391.85, 12,577.01 and 3,464.95 is: 5,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.85 : 12,577.01 = 3,464.95 : x
  2. Step 2: Convert to fraction form
    8,391.85/12,577.01 = 3,464.95/x
  3. Step 3: Cross multiply
    8,391.85x = 12,577.01 × 3,464.95
  4. Step 4: Simplify right side
    8,391.85x = 43,578,710.80
  5. Step 5: Solve for x
    x = 43,578,710.80/8,391.85
  6. Step 6: Final answer
    x = 5,192.98

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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.