Home / 5,628.60-8,441.42-1,678.92

Finding the Fourth Proportional to 5,628.60, 8,441.42 and 1,678.92

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Solution

The fourth proportional to 5,628.60, 8,441.42 and 1,678.92 is: 2,517.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.60 : 8,441.42 = 1,678.92 : x
  2. Step 2: Convert to fraction form
    5,628.60/8,441.42 = 1,678.92/x
  3. Step 3: Cross multiply
    5,628.60x = 8,441.42 × 1,678.92
  4. Step 4: Simplify right side
    5,628.60x = 14,172,460.47
  5. Step 5: Solve for x
    x = 14,172,460.47/5,628.60
  6. Step 6: Final answer
    x = 2,517.94

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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.