Home / 5,407.34-7,469.16-3,993.92

Finding the Fourth Proportional to 5,407.34, 7,469.16 and 3,993.92

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Solution

The fourth proportional to 5,407.34, 7,469.16 and 3,993.92 is: 5,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.34 : 7,469.16 = 3,993.92 : x
  2. Step 2: Convert to fraction form
    5,407.34/7,469.16 = 3,993.92/x
  3. Step 3: Cross multiply
    5,407.34x = 7,469.16 × 3,993.92
  4. Step 4: Simplify right side
    5,407.34x = 29,831,227.51
  5. Step 5: Solve for x
    x = 29,831,227.51/5,407.34
  6. Step 6: Final answer
    x = 5,516.80

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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.