Home / 4,866.60-7,290.72-3,881.28

Finding the Fourth Proportional to 4,866.60, 7,290.72 and 3,881.28

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Solution

The fourth proportional to 4,866.60, 7,290.72 and 3,881.28 is: 5,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.60 : 7,290.72 = 3,881.28 : x
  2. Step 2: Convert to fraction form
    4,866.60/7,290.72 = 3,881.28/x
  3. Step 3: Cross multiply
    4,866.60x = 7,290.72 × 3,881.28
  4. Step 4: Simplify right side
    4,866.60x = 28,297,325.72
  5. Step 5: Solve for x
    x = 28,297,325.72/4,866.60
  6. Step 6: Final answer
    x = 5,814.60

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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.