Home / 7,189.48-10,771.80-3,486.70

Finding the Fourth Proportional to 7,189.48, 10,771.80 and 3,486.70

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Solution

The fourth proportional to 7,189.48, 10,771.80 and 3,486.70 is: 5,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.48 : 10,771.80 = 3,486.70 : x
  2. Step 2: Convert to fraction form
    7,189.48/10,771.80 = 3,486.70/x
  3. Step 3: Cross multiply
    7,189.48x = 10,771.80 × 3,486.70
  4. Step 4: Simplify right side
    7,189.48x = 37,558,035.06
  5. Step 5: Solve for x
    x = 37,558,035.06/7,189.48
  6. Step 6: Final answer
    x = 5,224.03

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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.