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Finding the Fourth Proportional to 5,503.99, 7,595.45 and 2,986.06

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Solution

The fourth proportional to 5,503.99, 7,595.45 and 2,986.06 is: 4,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.99 : 7,595.45 = 2,986.06 : x
  2. Step 2: Convert to fraction form
    5,503.99/7,595.45 = 2,986.06/x
  3. Step 3: Cross multiply
    5,503.99x = 7,595.45 × 2,986.06
  4. Step 4: Simplify right side
    5,503.99x = 22,680,469.43
  5. Step 5: Solve for x
    x = 22,680,469.43/5,503.99
  6. Step 6: Final answer
    x = 4,120.73

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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.