Home / 4,905.87-7,358.82-1,208.10

Finding the Fourth Proportional to 4,905.87, 7,358.82 and 1,208.10

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Solution

The fourth proportional to 4,905.87, 7,358.82 and 1,208.10 is: 1,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.87 : 7,358.82 = 1,208.10 : x
  2. Step 2: Convert to fraction form
    4,905.87/7,358.82 = 1,208.10/x
  3. Step 3: Cross multiply
    4,905.87x = 7,358.82 × 1,208.10
  4. Step 4: Simplify right side
    4,905.87x = 8,890,190.44
  5. Step 5: Solve for x
    x = 8,890,190.44/4,905.87
  6. Step 6: Final answer
    x = 1,812.15

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1.5x scale

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.