Home / 4,938.68-6,815.45-2,949.41

Finding the Fourth Proportional to 4,938.68, 6,815.45 and 2,949.41

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Solution

The fourth proportional to 4,938.68, 6,815.45 and 2,949.41 is: 4,070.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.68 : 6,815.45 = 2,949.41 : x
  2. Step 2: Convert to fraction form
    4,938.68/6,815.45 = 2,949.41/x
  3. Step 3: Cross multiply
    4,938.68x = 6,815.45 × 2,949.41
  4. Step 4: Simplify right side
    4,938.68x = 20,101,529.68
  5. Step 5: Solve for x
    x = 20,101,529.68/4,938.68
  6. Step 6: Final answer
    x = 4,070.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.