Home / 7,101.12-10,651.68-3,402.56

Finding the Fourth Proportional to 7,101.12, 10,651.68 and 3,402.56

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Solution

The fourth proportional to 7,101.12, 10,651.68 and 3,402.56 is: 5,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.12 : 10,651.68 = 3,402.56 : x
  2. Step 2: Convert to fraction form
    7,101.12/10,651.68 = 3,402.56/x
  3. Step 3: Cross multiply
    7,101.12x = 10,651.68 × 3,402.56
  4. Step 4: Simplify right side
    7,101.12x = 36,242,980.30
  5. Step 5: Solve for x
    x = 36,242,980.30/7,101.12
  6. Step 6: Final answer
    x = 5,103.84

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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.