Home / 5,114.38-7,671.21-1,365.87

Finding the Fourth Proportional to 5,114.38, 7,671.21 and 1,365.87

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Solution

The fourth proportional to 5,114.38, 7,671.21 and 1,365.87 is: 2,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.38 : 7,671.21 = 1,365.87 : x
  2. Step 2: Convert to fraction form
    5,114.38/7,671.21 = 1,365.87/x
  3. Step 3: Cross multiply
    5,114.38x = 7,671.21 × 1,365.87
  4. Step 4: Simplify right side
    5,114.38x = 10,477,875.60
  5. Step 5: Solve for x
    x = 10,477,875.60/5,114.38
  6. Step 6: Final answer
    x = 2,048.71

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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.