Home / 7,427.40-11,143.38-2,233.32

Finding the Fourth Proportional to 7,427.40, 11,143.38 and 2,233.32

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Solution

The fourth proportional to 7,427.40, 11,143.38 and 2,233.32 is: 3,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.40 : 11,143.38 = 2,233.32 : x
  2. Step 2: Convert to fraction form
    7,427.40/11,143.38 = 2,233.32/x
  3. Step 3: Cross multiply
    7,427.40x = 11,143.38 × 2,233.32
  4. Step 4: Simplify right side
    7,427.40x = 24,886,733.42
  5. Step 5: Solve for x
    x = 24,886,733.42/7,427.40
  6. Step 6: Final answer
    x = 3,350.67

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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.