Home / 5,313.55-7,331.70-2,955.69

Finding the Fourth Proportional to 5,313.55, 7,331.70 and 2,955.69

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Solution

The fourth proportional to 5,313.55, 7,331.70 and 2,955.69 is: 4,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.55 : 7,331.70 = 2,955.69 : x
  2. Step 2: Convert to fraction form
    5,313.55/7,331.70 = 2,955.69/x
  3. Step 3: Cross multiply
    5,313.55x = 7,331.70 × 2,955.69
  4. Step 4: Simplify right side
    5,313.55x = 21,670,180.94
  5. Step 5: Solve for x
    x = 21,670,180.94/5,313.55
  6. Step 6: Final answer
    x = 4,078.29

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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.