Home / 6,424.40-9,634.80-2,043.20

Finding the Fourth Proportional to 6,424.40, 9,634.80 and 2,043.20

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Solution

The fourth proportional to 6,424.40, 9,634.80 and 2,043.20 is: 3,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.40 : 9,634.80 = 2,043.20 : x
  2. Step 2: Convert to fraction form
    6,424.40/9,634.80 = 2,043.20/x
  3. Step 3: Cross multiply
    6,424.40x = 9,634.80 × 2,043.20
  4. Step 4: Simplify right side
    6,424.40x = 19,685,823.36
  5. Step 5: Solve for x
    x = 19,685,823.36/6,424.40
  6. Step 6: Final answer
    x = 3,064.23

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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.