Home / 4,913.30-7,357.80-3,155.60

Finding the Fourth Proportional to 4,913.30, 7,357.80 and 3,155.60

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Solution

The fourth proportional to 4,913.30, 7,357.80 and 3,155.60 is: 4,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.30 : 7,357.80 = 3,155.60 : x
  2. Step 2: Convert to fraction form
    4,913.30/7,357.80 = 3,155.60/x
  3. Step 3: Cross multiply
    4,913.30x = 7,357.80 × 3,155.60
  4. Step 4: Simplify right side
    4,913.30x = 23,218,273.68
  5. Step 5: Solve for x
    x = 23,218,273.68/4,913.30
  6. Step 6: Final answer
    x = 4,725.60

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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.