Home / 5,481.18-8,223.06-1,783.40

Finding the Fourth Proportional to 5,481.18, 8,223.06 and 1,783.40

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Solution

The fourth proportional to 5,481.18, 8,223.06 and 1,783.40 is: 2,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.18 : 8,223.06 = 1,783.40 : x
  2. Step 2: Convert to fraction form
    5,481.18/8,223.06 = 1,783.40/x
  3. Step 3: Cross multiply
    5,481.18x = 8,223.06 × 1,783.40
  4. Step 4: Simplify right side
    5,481.18x = 14,665,005.20
  5. Step 5: Solve for x
    x = 14,665,005.20/5,481.18
  6. Step 6: Final answer
    x = 2,675.52

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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.