Home / 5,628.12-8,443.80-2,340.60

Finding the Fourth Proportional to 5,628.12, 8,443.80 and 2,340.60

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Solution

The fourth proportional to 5,628.12, 8,443.80 and 2,340.60 is: 3,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.12 : 8,443.80 = 2,340.60 : x
  2. Step 2: Convert to fraction form
    5,628.12/8,443.80 = 2,340.60/x
  3. Step 3: Cross multiply
    5,628.12x = 8,443.80 × 2,340.60
  4. Step 4: Simplify right side
    5,628.12x = 19,763,558.28
  5. Step 5: Solve for x
    x = 19,763,558.28/5,628.12
  6. Step 6: Final answer
    x = 3,511.57

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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.