Home / 5,102.02-7,650.60-2,178.73

Finding the Fourth Proportional to 5,102.02, 7,650.60 and 2,178.73

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Solution

The fourth proportional to 5,102.02, 7,650.60 and 2,178.73 is: 3,267.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.02 : 7,650.60 = 2,178.73 : x
  2. Step 2: Convert to fraction form
    5,102.02/7,650.60 = 2,178.73/x
  3. Step 3: Cross multiply
    5,102.02x = 7,650.60 × 2,178.73
  4. Step 4: Simplify right side
    5,102.02x = 16,668,591.74
  5. Step 5: Solve for x
    x = 16,668,591.74/5,102.02
  6. Step 6: Final answer
    x = 3,267.06

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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.