Home / 5,438.30-7,504.86-3,200.26

Finding the Fourth Proportional to 5,438.30, 7,504.86 and 3,200.26

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Solution

The fourth proportional to 5,438.30, 7,504.86 and 3,200.26 is: 4,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.30 : 7,504.86 = 3,200.26 : x
  2. Step 2: Convert to fraction form
    5,438.30/7,504.86 = 3,200.26/x
  3. Step 3: Cross multiply
    5,438.30x = 7,504.86 × 3,200.26
  4. Step 4: Simplify right side
    5,438.30x = 24,017,503.26
  5. Step 5: Solve for x
    x = 24,017,503.26/5,438.30
  6. Step 6: Final answer
    x = 4,416.36

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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.