Home / 5,619.52-8,432.80-2,157.12

Finding the Fourth Proportional to 5,619.52, 8,432.80 and 2,157.12

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Solution

The fourth proportional to 5,619.52, 8,432.80 and 2,157.12 is: 3,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.52 : 8,432.80 = 2,157.12 : x
  2. Step 2: Convert to fraction form
    5,619.52/8,432.80 = 2,157.12/x
  3. Step 3: Cross multiply
    5,619.52x = 8,432.80 × 2,157.12
  4. Step 4: Simplify right side
    5,619.52x = 18,190,561.54
  5. Step 5: Solve for x
    x = 18,190,561.54/5,619.52
  6. Step 6: Final answer
    x = 3,237.03

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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.