Home / 5,631.09-7,769.01-3,644.16

Finding the Fourth Proportional to 5,631.09, 7,769.01 and 3,644.16

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Solution

The fourth proportional to 5,631.09, 7,769.01 and 3,644.16 is: 5,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.09 : 7,769.01 = 3,644.16 : x
  2. Step 2: Convert to fraction form
    5,631.09/7,769.01 = 3,644.16/x
  3. Step 3: Cross multiply
    5,631.09x = 7,769.01 × 3,644.16
  4. Step 4: Simplify right side
    5,631.09x = 28,311,515.48
  5. Step 5: Solve for x
    x = 28,311,515.48/5,631.09
  6. Step 6: Final answer
    x = 5,027.71

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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.