Home / 4,306.21-6,459.90-1,966.21

Finding the Fourth Proportional to 4,306.21, 6,459.90 and 1,966.21

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Solution

The fourth proportional to 4,306.21, 6,459.90 and 1,966.21 is: 2,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,306.21 : 6,459.90 = 1,966.21 : x
  2. Step 2: Convert to fraction form
    4,306.21/6,459.90 = 1,966.21/x
  3. Step 3: Cross multiply
    4,306.21x = 6,459.90 × 1,966.21
  4. Step 4: Simplify right side
    4,306.21x = 12,701,519.98
  5. Step 5: Solve for x
    x = 12,701,519.98/4,306.21
  6. Step 6: Final answer
    x = 2,949.58

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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.