Home / 6,521.45-9,777.39-4,184.09

Finding the Fourth Proportional to 6,521.45, 9,777.39 and 4,184.09

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Solution

The fourth proportional to 6,521.45, 9,777.39 and 4,184.09 is: 6,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.45 : 9,777.39 = 4,184.09 : x
  2. Step 2: Convert to fraction form
    6,521.45/9,777.39 = 4,184.09/x
  3. Step 3: Cross multiply
    6,521.45x = 9,777.39 × 4,184.09
  4. Step 4: Simplify right side
    6,521.45x = 40,909,479.73
  5. Step 5: Solve for x
    x = 40,909,479.73/6,521.45
  6. Step 6: Final answer
    x = 6,273.06

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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.