Home / 5,313.54-7,971.38-2,976.87

Finding the Fourth Proportional to 5,313.54, 7,971.38 and 2,976.87

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Solution

The fourth proportional to 5,313.54, 7,971.38 and 2,976.87 is: 4,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.54 : 7,971.38 = 2,976.87 : x
  2. Step 2: Convert to fraction form
    5,313.54/7,971.38 = 2,976.87/x
  3. Step 3: Cross multiply
    5,313.54x = 7,971.38 × 2,976.87
  4. Step 4: Simplify right side
    5,313.54x = 23,729,747.10
  5. Step 5: Solve for x
    x = 23,729,747.10/5,313.54
  6. Step 6: Final answer
    x = 4,465.90

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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.