Home / 4,950.48-7,426.44-2,640.72

Finding the Fourth Proportional to 4,950.48, 7,426.44 and 2,640.72

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Solution

The fourth proportional to 4,950.48, 7,426.44 and 2,640.72 is: 3,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.48 : 7,426.44 = 2,640.72 : x
  2. Step 2: Convert to fraction form
    4,950.48/7,426.44 = 2,640.72/x
  3. Step 3: Cross multiply
    4,950.48x = 7,426.44 × 2,640.72
  4. Step 4: Simplify right side
    4,950.48x = 19,611,148.64
  5. Step 5: Solve for x
    x = 19,611,148.64/4,950.48
  6. Step 6: Final answer
    x = 3,961.46

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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.