Home / 7,440.16-11,161.26-2,511.20

Finding the Fourth Proportional to 7,440.16, 11,161.26 and 2,511.20

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Solution

The fourth proportional to 7,440.16, 11,161.26 and 2,511.20 is: 3,767.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.16 : 11,161.26 = 2,511.20 : x
  2. Step 2: Convert to fraction form
    7,440.16/11,161.26 = 2,511.20/x
  3. Step 3: Cross multiply
    7,440.16x = 11,161.26 × 2,511.20
  4. Step 4: Simplify right side
    7,440.16x = 28,028,156.11
  5. Step 5: Solve for x
    x = 28,028,156.11/7,440.16
  6. Step 6: Final answer
    x = 3,767.14

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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.