Home / 5,502.78-8,254.20-1,342.80

Finding the Fourth Proportional to 5,502.78, 8,254.20 and 1,342.80

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Solution

The fourth proportional to 5,502.78, 8,254.20 and 1,342.80 is: 2,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,502.78 : 8,254.20 = 1,342.80 : x
  2. Step 2: Convert to fraction form
    5,502.78/8,254.20 = 1,342.80/x
  3. Step 3: Cross multiply
    5,502.78x = 8,254.20 × 1,342.80
  4. Step 4: Simplify right side
    5,502.78x = 11,083,739.76
  5. Step 5: Solve for x
    x = 11,083,739.76/5,502.78
  6. Step 6: Final answer
    x = 2,014.21

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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.