Home / 5,648.20-8,455.56-4,193.80

Finding the Fourth Proportional to 5,648.20, 8,455.56 and 4,193.80

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Solution

The fourth proportional to 5,648.20, 8,455.56 and 4,193.80 is: 6,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.20 : 8,455.56 = 4,193.80 : x
  2. Step 2: Convert to fraction form
    5,648.20/8,455.56 = 4,193.80/x
  3. Step 3: Cross multiply
    5,648.20x = 8,455.56 × 4,193.80
  4. Step 4: Simplify right side
    5,648.20x = 35,460,927.53
  5. Step 5: Solve for x
    x = 35,460,927.53/5,648.20
  6. Step 6: Final answer
    x = 6,278.27

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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.