Home / 7,431.30-11,134.80-6,337.80

Finding the Fourth Proportional to 7,431.30, 11,134.80 and 6,337.80

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Solution

The fourth proportional to 7,431.30, 11,134.80 and 6,337.80 is: 9,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.30 : 11,134.80 = 6,337.80 : x
  2. Step 2: Convert to fraction form
    7,431.30/11,134.80 = 6,337.80/x
  3. Step 3: Cross multiply
    7,431.30x = 11,134.80 × 6,337.80
  4. Step 4: Simplify right side
    7,431.30x = 70,570,135.44
  5. Step 5: Solve for x
    x = 70,570,135.44/7,431.30
  6. Step 6: Final answer
    x = 9,496.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.