Home / 5,677.06-7,834.38-3,318.75

Finding the Fourth Proportional to 5,677.06, 7,834.38 and 3,318.75

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Solution

The fourth proportional to 5,677.06, 7,834.38 and 3,318.75 is: 4,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.06 : 7,834.38 = 3,318.75 : x
  2. Step 2: Convert to fraction form
    5,677.06/7,834.38 = 3,318.75/x
  3. Step 3: Cross multiply
    5,677.06x = 7,834.38 × 3,318.75
  4. Step 4: Simplify right side
    5,677.06x = 26,000,348.63
  5. Step 5: Solve for x
    x = 26,000,348.63/5,677.06
  6. Step 6: Final answer
    x = 4,579.90

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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.