Home / 4,975.70-7,457.49-2,199.20

Finding the Fourth Proportional to 4,975.70, 7,457.49 and 2,199.20

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Solution

The fourth proportional to 4,975.70, 7,457.49 and 2,199.20 is: 3,296.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.70 : 7,457.49 = 2,199.20 : x
  2. Step 2: Convert to fraction form
    4,975.70/7,457.49 = 2,199.20/x
  3. Step 3: Cross multiply
    4,975.70x = 7,457.49 × 2,199.20
  4. Step 4: Simplify right side
    4,975.70x = 16,400,474.72
  5. Step 5: Solve for x
    x = 16,400,474.72/4,975.70
  6. Step 6: Final answer
    x = 3,296.12

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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.