Home / 4,981.70-6,877.61-3,305.38

Finding the Fourth Proportional to 4,981.70, 6,877.61 and 3,305.38

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Solution

The fourth proportional to 4,981.70, 6,877.61 and 3,305.38 is: 4,563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.70 : 6,877.61 = 3,305.38 : x
  2. Step 2: Convert to fraction form
    4,981.70/6,877.61 = 3,305.38/x
  3. Step 3: Cross multiply
    4,981.70x = 6,877.61 × 3,305.38
  4. Step 4: Simplify right side
    4,981.70x = 22,733,125.45
  5. Step 5: Solve for x
    x = 22,733,125.45/4,981.70
  6. Step 6: Final answer
    x = 4,563.32

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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.