Home / 5,313.36-7,332.84-2,955.54

Finding the Fourth Proportional to 5,313.36, 7,332.84 and 2,955.54

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Solution

The fourth proportional to 5,313.36, 7,332.84 and 2,955.54 is: 4,078.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.36 : 7,332.84 = 2,955.54 : x
  2. Step 2: Convert to fraction form
    5,313.36/7,332.84 = 2,955.54/x
  3. Step 3: Cross multiply
    5,313.36x = 7,332.84 × 2,955.54
  4. Step 4: Simplify right side
    5,313.36x = 21,672,501.93
  5. Step 5: Solve for x
    x = 21,672,501.93/5,313.36
  6. Step 6: Final answer
    x = 4,078.87

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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.