Home / 8,941.20-12,338.62-4,962.21

Finding the Fourth Proportional to 8,941.20, 12,338.62 and 4,962.21

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Solution

The fourth proportional to 8,941.20, 12,338.62 and 4,962.21 is: 6,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.20 : 12,338.62 = 4,962.21 : x
  2. Step 2: Convert to fraction form
    8,941.20/12,338.62 = 4,962.21/x
  3. Step 3: Cross multiply
    8,941.20x = 12,338.62 × 4,962.21
  4. Step 4: Simplify right side
    8,941.20x = 61,226,823.55
  5. Step 5: Solve for x
    x = 61,226,823.55/8,941.20
  6. Step 6: Final answer
    x = 6,847.72

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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.