Home / 4,665.28-6,431.60-3,170.88

Finding the Fourth Proportional to 4,665.28, 6,431.60 and 3,170.88

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Solution

The fourth proportional to 4,665.28, 6,431.60 and 3,170.88 is: 4,371.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.28 : 6,431.60 = 3,170.88 : x
  2. Step 2: Convert to fraction form
    4,665.28/6,431.60 = 3,170.88/x
  3. Step 3: Cross multiply
    4,665.28x = 6,431.60 × 3,170.88
  4. Step 4: Simplify right side
    4,665.28x = 20,393,831.81
  5. Step 5: Solve for x
    x = 20,393,831.81/4,665.28
  6. Step 6: Final answer
    x = 4,371.41

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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.