Home / 10,390.85-15,593.10-3,817.09

Finding the Fourth Proportional to 10,390.85, 15,593.10 and 3,817.09

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Solution

The fourth proportional to 10,390.85, 15,593.10 and 3,817.09 is: 5,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.85 : 15,593.10 = 3,817.09 : x
  2. Step 2: Convert to fraction form
    10,390.85/15,593.10 = 3,817.09/x
  3. Step 3: Cross multiply
    10,390.85x = 15,593.10 × 3,817.09
  4. Step 4: Simplify right side
    10,390.85x = 59,520,246.99
  5. Step 5: Solve for x
    x = 59,520,246.99/10,390.85
  6. Step 6: Final answer
    x = 5,728.14

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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.