Home / 4,644.20-6,409.00-2,654.80

Finding the Fourth Proportional to 4,644.20, 6,409.00 and 2,654.80

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Solution

The fourth proportional to 4,644.20, 6,409.00 and 2,654.80 is: 3,663.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.20 : 6,409.00 = 2,654.80 : x
  2. Step 2: Convert to fraction form
    4,644.20/6,409.00 = 2,654.80/x
  3. Step 3: Cross multiply
    4,644.20x = 6,409.00 × 2,654.80
  4. Step 4: Simplify right side
    4,644.20x = 17,014,603.59
  5. Step 5: Solve for x
    x = 17,014,603.59/4,644.20
  6. Step 6: Final answer
    x = 3,663.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.