Home / 5,438.79-7,504.82-3,445.83

Finding the Fourth Proportional to 5,438.79, 7,504.82 and 3,445.83

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Solution

The fourth proportional to 5,438.79, 7,504.82 and 3,445.83 is: 4,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.79 : 7,504.82 = 3,445.83 : x
  2. Step 2: Convert to fraction form
    5,438.79/7,504.82 = 3,445.83/x
  3. Step 3: Cross multiply
    5,438.79x = 7,504.82 × 3,445.83
  4. Step 4: Simplify right side
    5,438.79x = 25,860,316.67
  5. Step 5: Solve for x
    x = 25,860,316.67/5,438.79
  6. Step 6: Final answer
    x = 4,754.79

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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.