Home / 6,423.80-9,629.08-3,132.82

Finding the Fourth Proportional to 6,423.80, 9,629.08 and 3,132.82

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Solution

The fourth proportional to 6,423.80, 9,629.08 and 3,132.82 is: 4,696.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.80 : 9,629.08 = 3,132.82 : x
  2. Step 2: Convert to fraction form
    6,423.80/9,629.08 = 3,132.82/x
  3. Step 3: Cross multiply
    6,423.80x = 9,629.08 × 3,132.82
  4. Step 4: Simplify right side
    6,423.80x = 30,166,174.41
  5. Step 5: Solve for x
    x = 30,166,174.41/6,423.80
  6. Step 6: Final answer
    x = 4,696.00

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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.