Home / 5,490.34-8,234.63-1,792.54

Finding the Fourth Proportional to 5,490.34, 8,234.63 and 1,792.54

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Solution

The fourth proportional to 5,490.34, 8,234.63 and 1,792.54 is: 2,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.34 : 8,234.63 = 1,792.54 : x
  2. Step 2: Convert to fraction form
    5,490.34/8,234.63 = 1,792.54/x
  3. Step 3: Cross multiply
    5,490.34x = 8,234.63 × 1,792.54
  4. Step 4: Simplify right side
    5,490.34x = 14,760,903.66
  5. Step 5: Solve for x
    x = 14,760,903.66/5,490.34
  6. Step 6: Final answer
    x = 2,688.52

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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.