Home / 10,280.82-15,421.84-3,260.71

Finding the Fourth Proportional to 10,280.82, 15,421.84 and 3,260.71

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Solution

The fourth proportional to 10,280.82, 15,421.84 and 3,260.71 is: 4,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.82 : 15,421.84 = 3,260.71 : x
  2. Step 2: Convert to fraction form
    10,280.82/15,421.84 = 3,260.71/x
  3. Step 3: Cross multiply
    10,280.82x = 15,421.84 × 3,260.71
  4. Step 4: Simplify right side
    10,280.82x = 50,286,090.63
  5. Step 5: Solve for x
    x = 50,286,090.63/10,280.82
  6. Step 6: Final answer
    x = 4,891.25

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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.