Home / 4,878.56-6,727.94-3,260.64

Finding the Fourth Proportional to 4,878.56, 6,727.94 and 3,260.64

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Solution

The fourth proportional to 4,878.56, 6,727.94 and 3,260.64 is: 4,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.56 : 6,727.94 = 3,260.64 : x
  2. Step 2: Convert to fraction form
    4,878.56/6,727.94 = 3,260.64/x
  3. Step 3: Cross multiply
    4,878.56x = 6,727.94 × 3,260.64
  4. Step 4: Simplify right side
    4,878.56x = 21,937,373.98
  5. Step 5: Solve for x
    x = 21,937,373.98/4,878.56
  6. Step 6: Final answer
    x = 4,496.70

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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.