Home / 4,838.70-6,677.55-2,742.78

Finding the Fourth Proportional to 4,838.70, 6,677.55 and 2,742.78

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Solution

The fourth proportional to 4,838.70, 6,677.55 and 2,742.78 is: 3,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.70 : 6,677.55 = 2,742.78 : x
  2. Step 2: Convert to fraction form
    4,838.70/6,677.55 = 2,742.78/x
  3. Step 3: Cross multiply
    4,838.70x = 6,677.55 × 2,742.78
  4. Step 4: Simplify right side
    4,838.70x = 18,315,050.59
  5. Step 5: Solve for x
    x = 18,315,050.59/4,838.70
  6. Step 6: Final answer
    x = 3,785.12

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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.