Home / 4,004.80-5,529.71-3,119.07

Finding the Fourth Proportional to 4,004.80, 5,529.71 and 3,119.07

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Solution

The fourth proportional to 4,004.80, 5,529.71 and 3,119.07 is: 4,306.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,004.80 : 5,529.71 = 3,119.07 : x
  2. Step 2: Convert to fraction form
    4,004.80/5,529.71 = 3,119.07/x
  3. Step 3: Cross multiply
    4,004.80x = 5,529.71 × 3,119.07
  4. Step 4: Simplify right side
    4,004.80x = 17,247,552.57
  5. Step 5: Solve for x
    x = 17,247,552.57/4,004.80
  6. Step 6: Final answer
    x = 4,306.72

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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.