Home / 5,546.60-7,656.90-3,975.56

Finding the Fourth Proportional to 5,546.60, 7,656.90 and 3,975.56

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Solution

The fourth proportional to 5,546.60, 7,656.90 and 3,975.56 is: 5,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,546.60 : 7,656.90 = 3,975.56 : x
  2. Step 2: Convert to fraction form
    5,546.60/7,656.90 = 3,975.56/x
  3. Step 3: Cross multiply
    5,546.60x = 7,656.90 × 3,975.56
  4. Step 4: Simplify right side
    5,546.60x = 30,440,465.36
  5. Step 5: Solve for x
    x = 30,440,465.36/5,546.60
  6. Step 6: Final answer
    x = 5,488.13

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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.