Home / 5,491.37-8,234.70-1,742.29

Finding the Fourth Proportional to 5,491.37, 8,234.70 and 1,742.29

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Solution

The fourth proportional to 5,491.37, 8,234.70 and 1,742.29 is: 2,612.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.37 : 8,234.70 = 1,742.29 : x
  2. Step 2: Convert to fraction form
    5,491.37/8,234.70 = 1,742.29/x
  3. Step 3: Cross multiply
    5,491.37x = 8,234.70 × 1,742.29
  4. Step 4: Simplify right side
    5,491.37x = 14,347,208.34
  5. Step 5: Solve for x
    x = 14,347,208.34/5,491.37
  6. Step 6: Final answer
    x = 2,612.68

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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.