Home / 8,484.24-12,721.25-3,803.41

Finding the Fourth Proportional to 8,484.24, 12,721.25 and 3,803.41

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Solution

The fourth proportional to 8,484.24, 12,721.25 and 3,803.41 is: 5,702.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.24 : 12,721.25 = 3,803.41 : x
  2. Step 2: Convert to fraction form
    8,484.24/12,721.25 = 3,803.41/x
  3. Step 3: Cross multiply
    8,484.24x = 12,721.25 × 3,803.41
  4. Step 4: Simplify right side
    8,484.24x = 48,384,083.32
  5. Step 5: Solve for x
    x = 48,384,083.32/8,484.24
  6. Step 6: Final answer
    x = 5,702.82

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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.