Home / 5,458.20-8,187.30-4,680.60

Finding the Fourth Proportional to 5,458.20, 8,187.30 and 4,680.60

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Solution

The fourth proportional to 5,458.20, 8,187.30 and 4,680.60 is: 7,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.20 : 8,187.30 = 4,680.60 : x
  2. Step 2: Convert to fraction form
    5,458.20/8,187.30 = 4,680.60/x
  3. Step 3: Cross multiply
    5,458.20x = 8,187.30 × 4,680.60
  4. Step 4: Simplify right side
    5,458.20x = 38,321,476.38
  5. Step 5: Solve for x
    x = 38,321,476.38/5,458.20
  6. Step 6: Final answer
    x = 7,020.90

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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.