Home / 8,447.60-12,673.70-3,702.90

Finding the Fourth Proportional to 8,447.60, 12,673.70 and 3,702.90

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Solution

The fourth proportional to 8,447.60, 12,673.70 and 3,702.90 is: 5,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.60 : 12,673.70 = 3,702.90 : x
  2. Step 2: Convert to fraction form
    8,447.60/12,673.70 = 3,702.90/x
  3. Step 3: Cross multiply
    8,447.60x = 12,673.70 × 3,702.90
  4. Step 4: Simplify right side
    8,447.60x = 46,929,443.73
  5. Step 5: Solve for x
    x = 46,929,443.73/8,447.60
  6. Step 6: Final answer
    x = 5,555.36

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1.5x scale

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.