Home / 4,913.60-7,370.40-4,103.60

Finding the Fourth Proportional to 4,913.60, 7,370.40 and 4,103.60

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Solution

The fourth proportional to 4,913.60, 7,370.40 and 4,103.60 is: 6,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.60 : 7,370.40 = 4,103.60 : x
  2. Step 2: Convert to fraction form
    4,913.60/7,370.40 = 4,103.60/x
  3. Step 3: Cross multiply
    4,913.60x = 7,370.40 × 4,103.60
  4. Step 4: Simplify right side
    4,913.60x = 30,245,173.44
  5. Step 5: Solve for x
    x = 30,245,173.44/4,913.60
  6. Step 6: Final answer
    x = 6,155.40

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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.