Home / 8,964.11-12,369.98-4,930.85

Finding the Fourth Proportional to 8,964.11, 12,369.98 and 4,930.85

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Solution

The fourth proportional to 8,964.11, 12,369.98 and 4,930.85 is: 6,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.11 : 12,369.98 = 4,930.85 : x
  2. Step 2: Convert to fraction form
    8,964.11/12,369.98 = 4,930.85/x
  3. Step 3: Cross multiply
    8,964.11x = 12,369.98 × 4,930.85
  4. Step 4: Simplify right side
    8,964.11x = 60,994,515.88
  5. Step 5: Solve for x
    x = 60,994,515.88/8,964.11
  6. Step 6: Final answer
    x = 6,804.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.