Home / 5,406.92-8,110.38-1,302.92

Finding the Fourth Proportional to 5,406.92, 8,110.38 and 1,302.92

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Solution

The fourth proportional to 5,406.92, 8,110.38 and 1,302.92 is: 1,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.92 : 8,110.38 = 1,302.92 : x
  2. Step 2: Convert to fraction form
    5,406.92/8,110.38 = 1,302.92/x
  3. Step 3: Cross multiply
    5,406.92x = 8,110.38 × 1,302.92
  4. Step 4: Simplify right side
    5,406.92x = 10,567,176.31
  5. Step 5: Solve for x
    x = 10,567,176.31/5,406.92
  6. Step 6: Final answer
    x = 1,954.38

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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.