Home / 5,313.45-7,971.23-2,195.16

Finding the Fourth Proportional to 5,313.45, 7,971.23 and 2,195.16

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Solution

The fourth proportional to 5,313.45, 7,971.23 and 2,195.16 is: 3,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.45 : 7,971.23 = 2,195.16 : x
  2. Step 2: Convert to fraction form
    5,313.45/7,971.23 = 2,195.16/x
  3. Step 3: Cross multiply
    5,313.45x = 7,971.23 × 2,195.16
  4. Step 4: Simplify right side
    5,313.45x = 17,498,125.25
  5. Step 5: Solve for x
    x = 17,498,125.25/5,313.45
  6. Step 6: Final answer
    x = 3,293.18

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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.