Home / 7,427.12-11,140.71-2,162.14

Finding the Fourth Proportional to 7,427.12, 11,140.71 and 2,162.14

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Solution

The fourth proportional to 7,427.12, 11,140.71 and 2,162.14 is: 3,243.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.12 : 11,140.71 = 2,162.14 : x
  2. Step 2: Convert to fraction form
    7,427.12/11,140.71 = 2,162.14/x
  3. Step 3: Cross multiply
    7,427.12x = 11,140.71 × 2,162.14
  4. Step 4: Simplify right side
    7,427.12x = 24,087,774.72
  5. Step 5: Solve for x
    x = 24,087,774.72/7,427.12
  6. Step 6: Final answer
    x = 3,243.22

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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.