Home / 5,913.60-8,868.30-2,620.80

Finding the Fourth Proportional to 5,913.60, 8,868.30 and 2,620.80

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Solution

The fourth proportional to 5,913.60, 8,868.30 and 2,620.80 is: 3,930.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.60 : 8,868.30 = 2,620.80 : x
  2. Step 2: Convert to fraction form
    5,913.60/8,868.30 = 2,620.80/x
  3. Step 3: Cross multiply
    5,913.60x = 8,868.30 × 2,620.80
  4. Step 4: Simplify right side
    5,913.60x = 23,242,040.64
  5. Step 5: Solve for x
    x = 23,242,040.64/5,913.60
  6. Step 6: Final answer
    x = 3,930.27

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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.