Home / 4,820.60-7,231.80-1,532.78

Finding the Fourth Proportional to 4,820.60, 7,231.80 and 1,532.78

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Solution

The fourth proportional to 4,820.60, 7,231.80 and 1,532.78 is: 2,299.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.60 : 7,231.80 = 1,532.78 : x
  2. Step 2: Convert to fraction form
    4,820.60/7,231.80 = 1,532.78/x
  3. Step 3: Cross multiply
    4,820.60x = 7,231.80 × 1,532.78
  4. Step 4: Simplify right side
    4,820.60x = 11,084,758.40
  5. Step 5: Solve for x
    x = 11,084,758.40/4,820.60
  6. Step 6: Final answer
    x = 2,299.46

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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.