Home / 5,409.69-8,113.83-2,290.92

Finding the Fourth Proportional to 5,409.69, 8,113.83 and 2,290.92

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Solution

The fourth proportional to 5,409.69, 8,113.83 and 2,290.92 is: 3,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.69 : 8,113.83 = 2,290.92 : x
  2. Step 2: Convert to fraction form
    5,409.69/8,113.83 = 2,290.92/x
  3. Step 3: Cross multiply
    5,409.69x = 8,113.83 × 2,290.92
  4. Step 4: Simplify right side
    5,409.69x = 18,588,135.42
  5. Step 5: Solve for x
    x = 18,588,135.42/5,409.69
  6. Step 6: Final answer
    x = 3,436.08

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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.