Home / 9,072.89-12,518.97-5,537.24

Finding the Fourth Proportional to 9,072.89, 12,518.97 and 5,537.24

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Solution

The fourth proportional to 9,072.89, 12,518.97 and 5,537.24 is: 7,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.89 : 12,518.97 = 5,537.24 : x
  2. Step 2: Convert to fraction form
    9,072.89/12,518.97 = 5,537.24/x
  3. Step 3: Cross multiply
    9,072.89x = 12,518.97 × 5,537.24
  4. Step 4: Simplify right side
    9,072.89x = 69,320,478.85
  5. Step 5: Solve for x
    x = 69,320,478.85/9,072.89
  6. Step 6: Final answer
    x = 7,640.40

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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.