Home / 5,453.91-8,170.43-4,472.07

Finding the Fourth Proportional to 5,453.91, 8,170.43 and 4,472.07

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Solution

The fourth proportional to 5,453.91, 8,170.43 and 4,472.07 is: 6,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.91 : 8,170.43 = 4,472.07 : x
  2. Step 2: Convert to fraction form
    5,453.91/8,170.43 = 4,472.07/x
  3. Step 3: Cross multiply
    5,453.91x = 8,170.43 × 4,472.07
  4. Step 4: Simplify right side
    5,453.91x = 36,538,712.53
  5. Step 5: Solve for x
    x = 36,538,712.53/5,453.91
  6. Step 6: Final answer
    x = 6,699.54

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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.