Home / 4,947.50-7,411.98-2,479.44

Finding the Fourth Proportional to 4,947.50, 7,411.98 and 2,479.44

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Solution

The fourth proportional to 4,947.50, 7,411.98 and 2,479.44 is: 3,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.50 : 7,411.98 = 2,479.44 : x
  2. Step 2: Convert to fraction form
    4,947.50/7,411.98 = 2,479.44/x
  3. Step 3: Cross multiply
    4,947.50x = 7,411.98 × 2,479.44
  4. Step 4: Simplify right side
    4,947.50x = 18,377,559.69
  5. Step 5: Solve for x
    x = 18,377,559.69/4,947.50
  6. Step 6: Final answer
    x = 3,714.51

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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.