Home / 9,872.05-14,809.20-3,298.90

Finding the Fourth Proportional to 9,872.05, 14,809.20 and 3,298.90

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Solution

The fourth proportional to 9,872.05, 14,809.20 and 3,298.90 is: 4,948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.05 : 14,809.20 = 3,298.90 : x
  2. Step 2: Convert to fraction form
    9,872.05/14,809.20 = 3,298.90/x
  3. Step 3: Cross multiply
    9,872.05x = 14,809.20 × 3,298.90
  4. Step 4: Simplify right side
    9,872.05x = 48,854,069.88
  5. Step 5: Solve for x
    x = 48,854,069.88/9,872.05
  6. Step 6: Final answer
    x = 4,948.73

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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.