Home / 7,375.60-11,047.20-6,554.80

Finding the Fourth Proportional to 7,375.60, 11,047.20 and 6,554.80

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Solution

The fourth proportional to 7,375.60, 11,047.20 and 6,554.80 is: 9,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.60 : 11,047.20 = 6,554.80 : x
  2. Step 2: Convert to fraction form
    7,375.60/11,047.20 = 6,554.80/x
  3. Step 3: Cross multiply
    7,375.60x = 11,047.20 × 6,554.80
  4. Step 4: Simplify right side
    7,375.60x = 72,412,186.56
  5. Step 5: Solve for x
    x = 72,412,186.56/7,375.60
  6. Step 6: Final answer
    x = 9,817.80

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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.