Home / 5,007.21-6,912.71-3,329.90

Finding the Fourth Proportional to 5,007.21, 6,912.71 and 3,329.90

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Solution

The fourth proportional to 5,007.21, 6,912.71 and 3,329.90 is: 4,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.21 : 6,912.71 = 3,329.90 : x
  2. Step 2: Convert to fraction form
    5,007.21/6,912.71 = 3,329.90/x
  3. Step 3: Cross multiply
    5,007.21x = 6,912.71 × 3,329.90
  4. Step 4: Simplify right side
    5,007.21x = 23,018,633.03
  5. Step 5: Solve for x
    x = 23,018,633.03/5,007.21
  6. Step 6: Final answer
    x = 4,597.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.