Home / 5,505.72-8,262.34-2,219.07

Finding the Fourth Proportional to 5,505.72, 8,262.34 and 2,219.07

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Solution

The fourth proportional to 5,505.72, 8,262.34 and 2,219.07 is: 3,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.72 : 8,262.34 = 2,219.07 : x
  2. Step 2: Convert to fraction form
    5,505.72/8,262.34 = 2,219.07/x
  3. Step 3: Cross multiply
    5,505.72x = 8,262.34 × 2,219.07
  4. Step 4: Simplify right side
    5,505.72x = 18,334,710.82
  5. Step 5: Solve for x
    x = 18,334,710.82/5,505.72
  6. Step 6: Final answer
    x = 3,330.12

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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.