Home / 5,161.94-7,123.44-2,923.76

Finding the Fourth Proportional to 5,161.94, 7,123.44 and 2,923.76

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Solution

The fourth proportional to 5,161.94, 7,123.44 and 2,923.76 is: 4,034.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.94 : 7,123.44 = 2,923.76 : x
  2. Step 2: Convert to fraction form
    5,161.94/7,123.44 = 2,923.76/x
  3. Step 3: Cross multiply
    5,161.94x = 7,123.44 × 2,923.76
  4. Step 4: Simplify right side
    5,161.94x = 20,827,228.93
  5. Step 5: Solve for x
    x = 20,827,228.93/5,161.94
  6. Step 6: Final answer
    x = 4,034.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.