Home / 7,427.29-11,142.76-2,162.34

Finding the Fourth Proportional to 7,427.29, 11,142.76 and 2,162.34

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Solution

The fourth proportional to 7,427.29, 11,142.76 and 2,162.34 is: 3,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.29 : 11,142.76 = 2,162.34 : x
  2. Step 2: Convert to fraction form
    7,427.29/11,142.76 = 2,162.34/x
  3. Step 3: Cross multiply
    7,427.29x = 11,142.76 × 2,162.34
  4. Step 4: Simplify right side
    7,427.29x = 24,094,444.55
  5. Step 5: Solve for x
    x = 24,094,444.55/7,427.29
  6. Step 6: Final answer
    x = 3,244.04

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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.