Home / 8,961.08-12,365.60-4,981.95

Finding the Fourth Proportional to 8,961.08, 12,365.60 and 4,981.95

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Solution

The fourth proportional to 8,961.08, 12,365.60 and 4,981.95 is: 6,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.08 : 12,365.60 = 4,981.95 : x
  2. Step 2: Convert to fraction form
    8,961.08/12,365.60 = 4,981.95/x
  3. Step 3: Cross multiply
    8,961.08x = 12,365.60 × 4,981.95
  4. Step 4: Simplify right side
    8,961.08x = 61,604,776.01
  5. Step 5: Solve for x
    x = 61,604,776.01/8,961.08
  6. Step 6: Final answer
    x = 6,874.71

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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.