Home / 4,615.72-6,923.76-1,329.28

Finding the Fourth Proportional to 4,615.72, 6,923.76 and 1,329.28

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Solution

The fourth proportional to 4,615.72, 6,923.76 and 1,329.28 is: 1,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.72 : 6,923.76 = 1,329.28 : x
  2. Step 2: Convert to fraction form
    4,615.72/6,923.76 = 1,329.28/x
  3. Step 3: Cross multiply
    4,615.72x = 6,923.76 × 1,329.28
  4. Step 4: Simplify right side
    4,615.72x = 9,203,615.69
  5. Step 5: Solve for x
    x = 9,203,615.69/4,615.72
  6. Step 6: Final answer
    x = 1,993.97

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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.