Home / 5,313.62-7,333.11-2,955.78

Finding the Fourth Proportional to 5,313.62, 7,333.11 and 2,955.78

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Solution

The fourth proportional to 5,313.62, 7,333.11 and 2,955.78 is: 4,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.62 : 7,333.11 = 2,955.78 : x
  2. Step 2: Convert to fraction form
    5,313.62/7,333.11 = 2,955.78/x
  3. Step 3: Cross multiply
    5,313.62x = 7,333.11 × 2,955.78
  4. Step 4: Simplify right side
    5,313.62x = 21,675,059.88
  5. Step 5: Solve for x
    x = 21,675,059.88/5,313.62
  6. Step 6: Final answer
    x = 4,079.15

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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.