Home / 8,961.07-12,365.92-4,981.89

Finding the Fourth Proportional to 8,961.07, 12,365.92 and 4,981.89

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Solution

The fourth proportional to 8,961.07, 12,365.92 and 4,981.89 is: 6,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.07 : 12,365.92 = 4,981.89 : x
  2. Step 2: Convert to fraction form
    8,961.07/12,365.92 = 4,981.89/x
  3. Step 3: Cross multiply
    8,961.07x = 12,365.92 × 4,981.89
  4. Step 4: Simplify right side
    8,961.07x = 61,605,628.28
  5. Step 5: Solve for x
    x = 61,605,628.28/8,961.07
  6. Step 6: Final answer
    x = 6,874.81

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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.