Home / 4,949.50-6,830.33-2,711.40

Finding the Fourth Proportional to 4,949.50, 6,830.33 and 2,711.40

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Solution

The fourth proportional to 4,949.50, 6,830.33 and 2,711.40 is: 3,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.50 : 6,830.33 = 2,711.40 : x
  2. Step 2: Convert to fraction form
    4,949.50/6,830.33 = 2,711.40/x
  3. Step 3: Cross multiply
    4,949.50x = 6,830.33 × 2,711.40
  4. Step 4: Simplify right side
    4,949.50x = 18,519,756.76
  5. Step 5: Solve for x
    x = 18,519,756.76/4,949.50
  6. Step 6: Final answer
    x = 3,741.74

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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.