Home / 3,376.05-5,063.32-911.07

Finding the Fourth Proportional to 3,376.05, 5,063.32 and 911.07

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Solution

The fourth proportional to 3,376.05, 5,063.32 and 911.07 is: 1,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.05 : 5,063.32 = 911.07 : x
  2. Step 2: Convert to fraction form
    3,376.05/5,063.32 = 911.07/x
  3. Step 3: Cross multiply
    3,376.05x = 5,063.32 × 911.07
  4. Step 4: Simplify right side
    3,376.05x = 4,613,038.95
  5. Step 5: Solve for x
    x = 4,613,038.95/3,376.05
  6. Step 6: Final answer
    x = 1,366.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.