Home / 4,835.20-7,252.80-1,325.20

Finding the Fourth Proportional to 4,835.20, 7,252.80 and 1,325.20

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Solution

The fourth proportional to 4,835.20, 7,252.80 and 1,325.20 is: 1,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,835.20 : 7,252.80 = 1,325.20 : x
  2. Step 2: Convert to fraction form
    4,835.20/7,252.80 = 1,325.20/x
  3. Step 3: Cross multiply
    4,835.20x = 7,252.80 × 1,325.20
  4. Step 4: Simplify right side
    4,835.20x = 9,611,410.56
  5. Step 5: Solve for x
    x = 9,611,410.56/4,835.20
  6. Step 6: Final answer
    x = 1,987.80

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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.