Home / 4,879.28-7,318.52-1,369.34

Finding the Fourth Proportional to 4,879.28, 7,318.52 and 1,369.34

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Solution

The fourth proportional to 4,879.28, 7,318.52 and 1,369.34 is: 2,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.28 : 7,318.52 = 1,369.34 : x
  2. Step 2: Convert to fraction form
    4,879.28/7,318.52 = 1,369.34/x
  3. Step 3: Cross multiply
    4,879.28x = 7,318.52 × 1,369.34
  4. Step 4: Simplify right side
    4,879.28x = 10,021,542.18
  5. Step 5: Solve for x
    x = 10,021,542.18/4,879.28
  6. Step 6: Final answer
    x = 2,053.90

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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.