Home / 5,491.80-8,237.72-2,572.16

Finding the Fourth Proportional to 5,491.80, 8,237.72 and 2,572.16

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Solution

The fourth proportional to 5,491.80, 8,237.72 and 2,572.16 is: 3,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.80 : 8,237.72 = 2,572.16 : x
  2. Step 2: Convert to fraction form
    5,491.80/8,237.72 = 2,572.16/x
  3. Step 3: Cross multiply
    5,491.80x = 8,237.72 × 2,572.16
  4. Step 4: Simplify right side
    5,491.80x = 21,188,733.88
  5. Step 5: Solve for x
    x = 21,188,733.88/5,491.80
  6. Step 6: Final answer
    x = 3,858.25

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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.