Home / 4,886.56-6,742.72-2,790.24

Finding the Fourth Proportional to 4,886.56, 6,742.72 and 2,790.24

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Solution

The fourth proportional to 4,886.56, 6,742.72 and 2,790.24 is: 3,850.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.56 : 6,742.72 = 2,790.24 : x
  2. Step 2: Convert to fraction form
    4,886.56/6,742.72 = 2,790.24/x
  3. Step 3: Cross multiply
    4,886.56x = 6,742.72 × 2,790.24
  4. Step 4: Simplify right side
    4,886.56x = 18,813,807.05
  5. Step 5: Solve for x
    x = 18,813,807.05/4,886.56
  6. Step 6: Final answer
    x = 3,850.11

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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.