Home / 7,328.10-10,992.67-2,945.57

Finding the Fourth Proportional to 7,328.10, 10,992.67 and 2,945.57

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Solution

The fourth proportional to 7,328.10, 10,992.67 and 2,945.57 is: 4,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.10 : 10,992.67 = 2,945.57 : x
  2. Step 2: Convert to fraction form
    7,328.10/10,992.67 = 2,945.57/x
  3. Step 3: Cross multiply
    7,328.10x = 10,992.67 × 2,945.57
  4. Step 4: Simplify right side
    7,328.10x = 32,379,616.64
  5. Step 5: Solve for x
    x = 32,379,616.64/7,328.10
  6. Step 6: Final answer
    x = 4,418.55

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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.