Home / 7,563.48-11,343-3,180.12

Finding the Fourth Proportional to 7,563.48, 11,343 and 3,180.12

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Solution

The fourth proportional to 7,563.48, 11,343 and 3,180.12 is: 4,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.48 : 11,343 = 3,180.12 : x
  2. Step 2: Convert to fraction form
    7,563.48/11,343 = 3,180.12/x
  3. Step 3: Cross multiply
    7,563.48x = 11,343 × 3,180.12
  4. Step 4: Simplify right side
    7,563.48x = 36,072,101.16
  5. Step 5: Solve for x
    x = 36,072,101.16/7,563.48
  6. Step 6: Final answer
    x = 4,769.25

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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.