Home / 10,280.58-15,421.43-3,261.13

Finding the Fourth Proportional to 10,280.58, 15,421.43 and 3,261.13

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Solution

The fourth proportional to 10,280.58, 15,421.43 and 3,261.13 is: 4,891.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.58 : 15,421.43 = 3,261.13 : x
  2. Step 2: Convert to fraction form
    10,280.58/15,421.43 = 3,261.13/x
  3. Step 3: Cross multiply
    10,280.58x = 15,421.43 × 3,261.13
  4. Step 4: Simplify right side
    10,280.58x = 50,291,234.69
  5. Step 5: Solve for x
    x = 50,291,234.69/10,280.58
  6. Step 6: Final answer
    x = 4,891.87

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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.