Home / 6,579.80-9,869.70-3,458.60

Finding the Fourth Proportional to 6,579.80, 9,869.70 and 3,458.60

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Solution

The fourth proportional to 6,579.80, 9,869.70 and 3,458.60 is: 5,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.80 : 9,869.70 = 3,458.60 : x
  2. Step 2: Convert to fraction form
    6,579.80/9,869.70 = 3,458.60/x
  3. Step 3: Cross multiply
    6,579.80x = 9,869.70 × 3,458.60
  4. Step 4: Simplify right side
    6,579.80x = 34,135,344.42
  5. Step 5: Solve for x
    x = 34,135,344.42/6,579.80
  6. Step 6: Final answer
    x = 5,187.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.