Home / 4,283.30-6,412.80-3,303.20

Finding the Fourth Proportional to 4,283.30, 6,412.80 and 3,303.20

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Solution

The fourth proportional to 4,283.30, 6,412.80 and 3,303.20 is: 4,945.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.30 : 6,412.80 = 3,303.20 : x
  2. Step 2: Convert to fraction form
    4,283.30/6,412.80 = 3,303.20/x
  3. Step 3: Cross multiply
    4,283.30x = 6,412.80 × 3,303.20
  4. Step 4: Simplify right side
    4,283.30x = 21,182,760.96
  5. Step 5: Solve for x
    x = 21,182,760.96/4,283.30
  6. Step 6: Final answer
    x = 4,945.43

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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.