Home / 5,313.12-7,331.88-2,955.48

Finding the Fourth Proportional to 5,313.12, 7,331.88 and 2,955.48

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Solution

The fourth proportional to 5,313.12, 7,331.88 and 2,955.48 is: 4,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.12 : 7,331.88 = 2,955.48 : x
  2. Step 2: Convert to fraction form
    5,313.12/7,331.88 = 2,955.48/x
  3. Step 3: Cross multiply
    5,313.12x = 7,331.88 × 2,955.48
  4. Step 4: Simplify right side
    5,313.12x = 21,669,224.70
  5. Step 5: Solve for x
    x = 21,669,224.70/5,313.12
  6. Step 6: Final answer
    x = 4,078.44

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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.