Home / 4,901.58-7,352.37-1,979.21

Finding the Fourth Proportional to 4,901.58, 7,352.37 and 1,979.21

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Solution

The fourth proportional to 4,901.58, 7,352.37 and 1,979.21 is: 2,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.58 : 7,352.37 = 1,979.21 : x
  2. Step 2: Convert to fraction form
    4,901.58/7,352.37 = 1,979.21/x
  3. Step 3: Cross multiply
    4,901.58x = 7,352.37 × 1,979.21
  4. Step 4: Simplify right side
    4,901.58x = 14,551,847.47
  5. Step 5: Solve for x
    x = 14,551,847.47/4,901.58
  6. Step 6: Final answer
    x = 2,968.81

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Similar ratio
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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.