Home / 4,389.20-6,576.60-3,654.80

Finding the Fourth Proportional to 4,389.20, 6,576.60 and 3,654.80

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Solution

The fourth proportional to 4,389.20, 6,576.60 and 3,654.80 is: 5,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.20 : 6,576.60 = 3,654.80 : x
  2. Step 2: Convert to fraction form
    4,389.20/6,576.60 = 3,654.80/x
  3. Step 3: Cross multiply
    4,389.20x = 6,576.60 × 3,654.80
  4. Step 4: Simplify right side
    4,389.20x = 24,036,157.68
  5. Step 5: Solve for x
    x = 24,036,157.68/4,389.20
  6. Step 6: Final answer
    x = 5,476.20

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1.5x scale

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.