Home / 4,490.96-6,712.72-3,901.28

Finding the Fourth Proportional to 4,490.96, 6,712.72 and 3,901.28

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Solution

The fourth proportional to 4,490.96, 6,712.72 and 3,901.28 is: 5,831.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.96 : 6,712.72 = 3,901.28 : x
  2. Step 2: Convert to fraction form
    4,490.96/6,712.72 = 3,901.28/x
  3. Step 3: Cross multiply
    4,490.96x = 6,712.72 × 3,901.28
  4. Step 4: Simplify right side
    4,490.96x = 26,188,200.28
  5. Step 5: Solve for x
    x = 26,188,200.28/4,490.96
  6. Step 6: Final answer
    x = 5,831.31

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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.