Home / 8,639.04-12,963.82-3,444.50

Finding the Fourth Proportional to 8,639.04, 12,963.82 and 3,444.50

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Solution

The fourth proportional to 8,639.04, 12,963.82 and 3,444.50 is: 5,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639.04 : 12,963.82 = 3,444.50 : x
  2. Step 2: Convert to fraction form
    8,639.04/12,963.82 = 3,444.50/x
  3. Step 3: Cross multiply
    8,639.04x = 12,963.82 × 3,444.50
  4. Step 4: Simplify right side
    8,639.04x = 44,653,877.99
  5. Step 5: Solve for x
    x = 44,653,877.99/8,639.04
  6. Step 6: Final answer
    x = 5,168.85

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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.