Home / 8,325.37-12,488.31-3,642.97

Finding the Fourth Proportional to 8,325.37, 12,488.31 and 3,642.97

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Solution

The fourth proportional to 8,325.37, 12,488.31 and 3,642.97 is: 5,464.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.37 : 12,488.31 = 3,642.97 : x
  2. Step 2: Convert to fraction form
    8,325.37/12,488.31 = 3,642.97/x
  3. Step 3: Cross multiply
    8,325.37x = 12,488.31 × 3,642.97
  4. Step 4: Simplify right side
    8,325.37x = 45,494,538.68
  5. Step 5: Solve for x
    x = 45,494,538.68/8,325.37
  6. Step 6: Final answer
    x = 5,464.57

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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.