Home / 6,280.87-9,421.31-3,682.39

Finding the Fourth Proportional to 6,280.87, 9,421.31 and 3,682.39

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Solution

The fourth proportional to 6,280.87, 9,421.31 and 3,682.39 is: 5,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.87 : 9,421.31 = 3,682.39 : x
  2. Step 2: Convert to fraction form
    6,280.87/9,421.31 = 3,682.39/x
  3. Step 3: Cross multiply
    6,280.87x = 9,421.31 × 3,682.39
  4. Step 4: Simplify right side
    6,280.87x = 34,692,937.73
  5. Step 5: Solve for x
    x = 34,692,937.73/6,280.87
  6. Step 6: Final answer
    x = 5,523.59

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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.