Home / 4,745.92-7,118.68-1,283.28

Finding the Fourth Proportional to 4,745.92, 7,118.68 and 1,283.28

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Solution

The fourth proportional to 4,745.92, 7,118.68 and 1,283.28 is: 1,924.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.92 : 7,118.68 = 1,283.28 : x
  2. Step 2: Convert to fraction form
    4,745.92/7,118.68 = 1,283.28/x
  3. Step 3: Cross multiply
    4,745.92x = 7,118.68 × 1,283.28
  4. Step 4: Simplify right side
    4,745.92x = 9,135,259.67
  5. Step 5: Solve for x
    x = 9,135,259.67/4,745.92
  6. Step 6: Final answer
    x = 1,924.87

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Similar ratio
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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.