Home / 4,742.30-7,113.84-2,892.44

Finding the Fourth Proportional to 4,742.30, 7,113.84 and 2,892.44

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Solution

The fourth proportional to 4,742.30, 7,113.84 and 2,892.44 is: 4,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.30 : 7,113.84 = 2,892.44 : x
  2. Step 2: Convert to fraction form
    4,742.30/7,113.84 = 2,892.44/x
  3. Step 3: Cross multiply
    4,742.30x = 7,113.84 × 2,892.44
  4. Step 4: Simplify right side
    4,742.30x = 20,576,355.37
  5. Step 5: Solve for x
    x = 20,576,355.37/4,742.30
  6. Step 6: Final answer
    x = 4,338.90

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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.