Home / 4,288.29-6,409.61-3,728.48

Finding the Fourth Proportional to 4,288.29, 6,409.61 and 3,728.48

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Solution

The fourth proportional to 4,288.29, 6,409.61 and 3,728.48 is: 5,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.29 : 6,409.61 = 3,728.48 : x
  2. Step 2: Convert to fraction form
    4,288.29/6,409.61 = 3,728.48/x
  3. Step 3: Cross multiply
    4,288.29x = 6,409.61 × 3,728.48
  4. Step 4: Simplify right side
    4,288.29x = 23,898,091.55
  5. Step 5: Solve for x
    x = 23,898,091.55/4,288.29
  6. Step 6: Final answer
    x = 5,572.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.