Home / 5,678.05-7,835.79-3,160.27

Finding the Fourth Proportional to 5,678.05, 7,835.79 and 3,160.27

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Solution

The fourth proportional to 5,678.05, 7,835.79 and 3,160.27 is: 4,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.05 : 7,835.79 = 3,160.27 : x
  2. Step 2: Convert to fraction form
    5,678.05/7,835.79 = 3,160.27/x
  3. Step 3: Cross multiply
    5,678.05x = 7,835.79 × 3,160.27
  4. Step 4: Simplify right side
    5,678.05x = 24,763,171.86
  5. Step 5: Solve for x
    x = 24,763,171.86/5,678.05
  6. Step 6: Final answer
    x = 4,361.21

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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.