Home / 4,912.50-7,368.75-1,449.66

Finding the Fourth Proportional to 4,912.50, 7,368.75 and 1,449.66

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Solution

The fourth proportional to 4,912.50, 7,368.75 and 1,449.66 is: 2,174.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.50 : 7,368.75 = 1,449.66 : x
  2. Step 2: Convert to fraction form
    4,912.50/7,368.75 = 1,449.66/x
  3. Step 3: Cross multiply
    4,912.50x = 7,368.75 × 1,449.66
  4. Step 4: Simplify right side
    4,912.50x = 10,682,182.13
  5. Step 5: Solve for x
    x = 10,682,182.13/4,912.50
  6. Step 6: Final answer
    x = 2,174.49

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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.