Home / 7,419.08-11,128.26-2,492.12

Finding the Fourth Proportional to 7,419.08, 11,128.26 and 2,492.12

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Solution

The fourth proportional to 7,419.08, 11,128.26 and 2,492.12 is: 3,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.08 : 11,128.26 = 2,492.12 : x
  2. Step 2: Convert to fraction form
    7,419.08/11,128.26 = 2,492.12/x
  3. Step 3: Cross multiply
    7,419.08x = 11,128.26 × 2,492.12
  4. Step 4: Simplify right side
    7,419.08x = 27,732,959.31
  5. Step 5: Solve for x
    x = 27,732,959.31/7,419.08
  6. Step 6: Final answer
    x = 3,738.06

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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.