Home / 5,287.60-7,299.88-3,611.44

Finding the Fourth Proportional to 5,287.60, 7,299.88 and 3,611.44

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Solution

The fourth proportional to 5,287.60, 7,299.88 and 3,611.44 is: 4,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.60 : 7,299.88 = 3,611.44 : x
  2. Step 2: Convert to fraction form
    5,287.60/7,299.88 = 3,611.44/x
  3. Step 3: Cross multiply
    5,287.60x = 7,299.88 × 3,611.44
  4. Step 4: Simplify right side
    5,287.60x = 26,363,078.63
  5. Step 5: Solve for x
    x = 26,363,078.63/5,287.60
  6. Step 6: Final answer
    x = 4,985.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.