Home / 5,505.22-8,257.54-1,947.10

Finding the Fourth Proportional to 5,505.22, 8,257.54 and 1,947.10

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Solution

The fourth proportional to 5,505.22, 8,257.54 and 1,947.10 is: 2,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.22 : 8,257.54 = 1,947.10 : x
  2. Step 2: Convert to fraction form
    5,505.22/8,257.54 = 1,947.10/x
  3. Step 3: Cross multiply
    5,505.22x = 8,257.54 × 1,947.10
  4. Step 4: Simplify right side
    5,505.22x = 16,078,226.39
  5. Step 5: Solve for x
    x = 16,078,226.39/5,505.22
  6. Step 6: Final answer
    x = 2,920.54

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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.