Home / 4,912.76-7,369.95-1,993.07

Finding the Fourth Proportional to 4,912.76, 7,369.95 and 1,993.07

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Solution

The fourth proportional to 4,912.76, 7,369.95 and 1,993.07 is: 2,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.76 : 7,369.95 = 1,993.07 : x
  2. Step 2: Convert to fraction form
    4,912.76/7,369.95 = 1,993.07/x
  3. Step 3: Cross multiply
    4,912.76x = 7,369.95 × 1,993.07
  4. Step 4: Simplify right side
    4,912.76x = 14,688,826.25
  5. Step 5: Solve for x
    x = 14,688,826.25/4,912.76
  6. Step 6: Final answer
    x = 2,989.93

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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.