Home / 5,548.12-7,656.32-3,190.08

Finding the Fourth Proportional to 5,548.12, 7,656.32 and 3,190.08

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Solution

The fourth proportional to 5,548.12, 7,656.32 and 3,190.08 is: 4,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.12 : 7,656.32 = 3,190.08 : x
  2. Step 2: Convert to fraction form
    5,548.12/7,656.32 = 3,190.08/x
  3. Step 3: Cross multiply
    5,548.12x = 7,656.32 × 3,190.08
  4. Step 4: Simplify right side
    5,548.12x = 24,424,273.31
  5. Step 5: Solve for x
    x = 24,424,273.31/5,548.12
  6. Step 6: Final answer
    x = 4,402.26

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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.