Home / 4,239.60-6,359.40-3,764.40

Finding the Fourth Proportional to 4,239.60, 6,359.40 and 3,764.40

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Solution

The fourth proportional to 4,239.60, 6,359.40 and 3,764.40 is: 5,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.60 : 6,359.40 = 3,764.40 : x
  2. Step 2: Convert to fraction form
    4,239.60/6,359.40 = 3,764.40/x
  3. Step 3: Cross multiply
    4,239.60x = 6,359.40 × 3,764.40
  4. Step 4: Simplify right side
    4,239.60x = 23,939,325.36
  5. Step 5: Solve for x
    x = 23,939,325.36/4,239.60
  6. Step 6: Final answer
    x = 5,646.60

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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.