Home / 4,459.32-6,691.28-2,121.98

Finding the Fourth Proportional to 4,459.32, 6,691.28 and 2,121.98

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Solution

The fourth proportional to 4,459.32, 6,691.28 and 2,121.98 is: 3,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.32 : 6,691.28 = 2,121.98 : x
  2. Step 2: Convert to fraction form
    4,459.32/6,691.28 = 2,121.98/x
  3. Step 3: Cross multiply
    4,459.32x = 6,691.28 × 2,121.98
  4. Step 4: Simplify right side
    4,459.32x = 14,198,718.27
  5. Step 5: Solve for x
    x = 14,198,718.27/4,459.32
  6. Step 6: Final answer
    x = 3,184.05

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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.