Home / 8,466.46-12,702.30-3,790.39

Finding the Fourth Proportional to 8,466.46, 12,702.30 and 3,790.39

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Solution

The fourth proportional to 8,466.46, 12,702.30 and 3,790.39 is: 5,686.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.46 : 12,702.30 = 3,790.39 : x
  2. Step 2: Convert to fraction form
    8,466.46/12,702.30 = 3,790.39/x
  3. Step 3: Cross multiply
    8,466.46x = 12,702.30 × 3,790.39
  4. Step 4: Simplify right side
    8,466.46x = 48,146,670.90
  5. Step 5: Solve for x
    x = 48,146,670.90/8,466.46
  6. Step 6: Final answer
    x = 5,686.75

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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.