Home / 7,680.90-11,521.58-2,134.66

Finding the Fourth Proportional to 7,680.90, 11,521.58 and 2,134.66

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Solution

The fourth proportional to 7,680.90, 11,521.58 and 2,134.66 is: 3,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.90 : 11,521.58 = 2,134.66 : x
  2. Step 2: Convert to fraction form
    7,680.90/11,521.58 = 2,134.66/x
  3. Step 3: Cross multiply
    7,680.90x = 11,521.58 × 2,134.66
  4. Step 4: Simplify right side
    7,680.90x = 24,594,655.96
  5. Step 5: Solve for x
    x = 24,594,655.96/7,680.90
  6. Step 6: Final answer
    x = 3,202.05

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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.