Home / 5,619.56-7,755.06-3,135.56

Finding the Fourth Proportional to 5,619.56, 7,755.06 and 3,135.56

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Solution

The fourth proportional to 5,619.56, 7,755.06 and 3,135.56 is: 4,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.56 : 7,755.06 = 3,135.56 : x
  2. Step 2: Convert to fraction form
    5,619.56/7,755.06 = 3,135.56/x
  3. Step 3: Cross multiply
    5,619.56x = 7,755.06 × 3,135.56
  4. Step 4: Simplify right side
    5,619.56x = 24,316,455.93
  5. Step 5: Solve for x
    x = 24,316,455.93/5,619.56
  6. Step 6: Final answer
    x = 4,327.11

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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.