Home / 5,483.70-8,225.55-3,142.80

Finding the Fourth Proportional to 5,483.70, 8,225.55 and 3,142.80

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Solution

The fourth proportional to 5,483.70, 8,225.55 and 3,142.80 is: 4,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.70 : 8,225.55 = 3,142.80 : x
  2. Step 2: Convert to fraction form
    5,483.70/8,225.55 = 3,142.80/x
  3. Step 3: Cross multiply
    5,483.70x = 8,225.55 × 3,142.80
  4. Step 4: Simplify right side
    5,483.70x = 25,851,258.54
  5. Step 5: Solve for x
    x = 25,851,258.54/5,483.70
  6. Step 6: Final answer
    x = 4,714.20

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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.