Home / 5,478.83-7,564.43-3,241.42

Finding the Fourth Proportional to 5,478.83, 7,564.43 and 3,241.42

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Solution

The fourth proportional to 5,478.83, 7,564.43 and 3,241.42 is: 4,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.83 : 7,564.43 = 3,241.42 : x
  2. Step 2: Convert to fraction form
    5,478.83/7,564.43 = 3,241.42/x
  3. Step 3: Cross multiply
    5,478.83x = 7,564.43 × 3,241.42
  4. Step 4: Simplify right side
    5,478.83x = 24,519,494.69
  5. Step 5: Solve for x
    x = 24,519,494.69/5,478.83
  6. Step 6: Final answer
    x = 4,475.32

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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.