Home / 5,513.85-8,270.76-1,409.85

Finding the Fourth Proportional to 5,513.85, 8,270.76 and 1,409.85

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Solution

The fourth proportional to 5,513.85, 8,270.76 and 1,409.85 is: 2,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.85 : 8,270.76 = 1,409.85 : x
  2. Step 2: Convert to fraction form
    5,513.85/8,270.76 = 1,409.85/x
  3. Step 3: Cross multiply
    5,513.85x = 8,270.76 × 1,409.85
  4. Step 4: Simplify right side
    5,513.85x = 11,660,530.99
  5. Step 5: Solve for x
    x = 11,660,530.99/5,513.85
  6. Step 6: Final answer
    x = 2,114.77

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Similar ratio
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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.