Home / 8,853.60-13,285.50-3,310.80

Finding the Fourth Proportional to 8,853.60, 13,285.50 and 3,310.80

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Solution

The fourth proportional to 8,853.60, 13,285.50 and 3,310.80 is: 4,968.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.60 : 13,285.50 = 3,310.80 : x
  2. Step 2: Convert to fraction form
    8,853.60/13,285.50 = 3,310.80/x
  3. Step 3: Cross multiply
    8,853.60x = 13,285.50 × 3,310.80
  4. Step 4: Simplify right side
    8,853.60x = 43,985,633.40
  5. Step 5: Solve for x
    x = 43,985,633.40/8,853.60
  6. Step 6: Final answer
    x = 4,968.11

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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.