Home / 4,947.23-7,420.82-1,249.46

Finding the Fourth Proportional to 4,947.23, 7,420.82 and 1,249.46

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Solution

The fourth proportional to 4,947.23, 7,420.82 and 1,249.46 is: 1,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.23 : 7,420.82 = 1,249.46 : x
  2. Step 2: Convert to fraction form
    4,947.23/7,420.82 = 1,249.46/x
  3. Step 3: Cross multiply
    4,947.23x = 7,420.82 × 1,249.46
  4. Step 4: Simplify right side
    4,947.23x = 9,271,974.41
  5. Step 5: Solve for x
    x = 9,271,974.41/4,947.23
  6. Step 6: Final answer
    x = 1,874.18

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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.