Home / 7,189.09-10,784.68-3,491.53

Finding the Fourth Proportional to 7,189.09, 10,784.68 and 3,491.53

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Solution

The fourth proportional to 7,189.09, 10,784.68 and 3,491.53 is: 5,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.09 : 10,784.68 = 3,491.53 : x
  2. Step 2: Convert to fraction form
    7,189.09/10,784.68 = 3,491.53/x
  3. Step 3: Cross multiply
    7,189.09x = 10,784.68 × 3,491.53
  4. Step 4: Simplify right side
    7,189.09x = 37,654,998.07
  5. Step 5: Solve for x
    x = 37,654,998.07/7,189.09
  6. Step 6: Final answer
    x = 5,237.80

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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.