Home / 7,558.09-11,331.02-3,395.05

Finding the Fourth Proportional to 7,558.09, 11,331.02 and 3,395.05

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Solution

The fourth proportional to 7,558.09, 11,331.02 and 3,395.05 is: 5,089.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.09 : 11,331.02 = 3,395.05 : x
  2. Step 2: Convert to fraction form
    7,558.09/11,331.02 = 3,395.05/x
  3. Step 3: Cross multiply
    7,558.09x = 11,331.02 × 3,395.05
  4. Step 4: Simplify right side
    7,558.09x = 38,469,362.48
  5. Step 5: Solve for x
    x = 38,469,362.48/7,558.09
  6. Step 6: Final answer
    x = 5,089.83

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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.