Home / 5,399.90-7,453.25-3,516.19

Finding the Fourth Proportional to 5,399.90, 7,453.25 and 3,516.19

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Solution

The fourth proportional to 5,399.90, 7,453.25 and 3,516.19 is: 4,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.90 : 7,453.25 = 3,516.19 : x
  2. Step 2: Convert to fraction form
    5,399.90/7,453.25 = 3,516.19/x
  3. Step 3: Cross multiply
    5,399.90x = 7,453.25 × 3,516.19
  4. Step 4: Simplify right side
    5,399.90x = 26,207,043.12
  5. Step 5: Solve for x
    x = 26,207,043.12/5,399.90
  6. Step 6: Final answer
    x = 4,853.25

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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.