Home / 5,260.42-7,892.43-2,340.76

Finding the Fourth Proportional to 5,260.42, 7,892.43 and 2,340.76

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Solution

The fourth proportional to 5,260.42, 7,892.43 and 2,340.76 is: 3,511.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.42 : 7,892.43 = 2,340.76 : x
  2. Step 2: Convert to fraction form
    5,260.42/7,892.43 = 2,340.76/x
  3. Step 3: Cross multiply
    5,260.42x = 7,892.43 × 2,340.76
  4. Step 4: Simplify right side
    5,260.42x = 18,474,284.45
  5. Step 5: Solve for x
    x = 18,474,284.45/5,260.42
  6. Step 6: Final answer
    x = 3,511.94

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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.