Home / 5,039.36-6,955.20-3,176.96

Finding the Fourth Proportional to 5,039.36, 6,955.20 and 3,176.96

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Solution

The fourth proportional to 5,039.36, 6,955.20 and 3,176.96 is: 4,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.36 : 6,955.20 = 3,176.96 : x
  2. Step 2: Convert to fraction form
    5,039.36/6,955.20 = 3,176.96/x
  3. Step 3: Cross multiply
    5,039.36x = 6,955.20 × 3,176.96
  4. Step 4: Simplify right side
    5,039.36x = 22,096,392.19
  5. Step 5: Solve for x
    x = 22,096,392.19/5,039.36
  6. Step 6: Final answer
    x = 4,384.76

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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.