Home / 4,905.42-7,359.08-1,619.46

Finding the Fourth Proportional to 4,905.42, 7,359.08 and 1,619.46

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Solution

The fourth proportional to 4,905.42, 7,359.08 and 1,619.46 is: 2,429.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.42 : 7,359.08 = 1,619.46 : x
  2. Step 2: Convert to fraction form
    4,905.42/7,359.08 = 1,619.46/x
  3. Step 3: Cross multiply
    4,905.42x = 7,359.08 × 1,619.46
  4. Step 4: Simplify right side
    4,905.42x = 11,917,735.70
  5. Step 5: Solve for x
    x = 11,917,735.70/4,905.42
  6. Step 6: Final answer
    x = 2,429.50

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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.