Home / 7,007.21-10,516.03-3,310.57

Finding the Fourth Proportional to 7,007.21, 10,516.03 and 3,310.57

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Solution

The fourth proportional to 7,007.21, 10,516.03 and 3,310.57 is: 4,968.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.21 : 10,516.03 = 3,310.57 : x
  2. Step 2: Convert to fraction form
    7,007.21/10,516.03 = 3,310.57/x
  3. Step 3: Cross multiply
    7,007.21x = 10,516.03 × 3,310.57
  4. Step 4: Simplify right side
    7,007.21x = 34,814,058.31
  5. Step 5: Solve for x
    x = 34,814,058.31/7,007.21
  6. Step 6: Final answer
    x = 4,968.32

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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.