Home / 4,106.95-6,147.69-3,320.39

Finding the Fourth Proportional to 4,106.95, 6,147.69 and 3,320.39

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Solution

The fourth proportional to 4,106.95, 6,147.69 and 3,320.39 is: 4,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.95 : 6,147.69 = 3,320.39 : x
  2. Step 2: Convert to fraction form
    4,106.95/6,147.69 = 3,320.39/x
  3. Step 3: Cross multiply
    4,106.95x = 6,147.69 × 3,320.39
  4. Step 4: Simplify right side
    4,106.95x = 20,412,728.40
  5. Step 5: Solve for x
    x = 20,412,728.40/4,106.95
  6. Step 6: Final answer
    x = 4,970.29

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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.