Home / 10,282.26-15,402.72-4,727.85

Finding the Fourth Proportional to 10,282.26, 15,402.72 and 4,727.85

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Solution

The fourth proportional to 10,282.26, 15,402.72 and 4,727.85 is: 7,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.26 : 15,402.72 = 4,727.85 : x
  2. Step 2: Convert to fraction form
    10,282.26/15,402.72 = 4,727.85/x
  3. Step 3: Cross multiply
    10,282.26x = 15,402.72 × 4,727.85
  4. Step 4: Simplify right side
    10,282.26x = 72,821,749.75
  5. Step 5: Solve for x
    x = 72,821,749.75/10,282.26
  6. Step 6: Final answer
    x = 7,082.27

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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.