Home / 7,458.11-11,189.26-2,528.12

Finding the Fourth Proportional to 7,458.11, 11,189.26 and 2,528.12

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Solution

The fourth proportional to 7,458.11, 11,189.26 and 2,528.12 is: 3,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.11 : 11,189.26 = 2,528.12 : x
  2. Step 2: Convert to fraction form
    7,458.11/11,189.26 = 2,528.12/x
  3. Step 3: Cross multiply
    7,458.11x = 11,189.26 × 2,528.12
  4. Step 4: Simplify right side
    7,458.11x = 28,287,823.12
  5. Step 5: Solve for x
    x = 28,287,823.12/7,458.11
  6. Step 6: Final answer
    x = 3,792.89

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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.