Home / 5,627.60-8,443.80-2,704.40

Finding the Fourth Proportional to 5,627.60, 8,443.80 and 2,704.40

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Solution

The fourth proportional to 5,627.60, 8,443.80 and 2,704.40 is: 4,057.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.60 : 8,443.80 = 2,704.40 : x
  2. Step 2: Convert to fraction form
    5,627.60/8,443.80 = 2,704.40/x
  3. Step 3: Cross multiply
    5,627.60x = 8,443.80 × 2,704.40
  4. Step 4: Simplify right side
    5,627.60x = 22,835,412.72
  5. Step 5: Solve for x
    x = 22,835,412.72/5,627.60
  6. Step 6: Final answer
    x = 4,057.75

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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.