Home / 4,935.66-6,811.83-2,840.46

Finding the Fourth Proportional to 4,935.66, 6,811.83 and 2,840.46

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Solution

The fourth proportional to 4,935.66, 6,811.83 and 2,840.46 is: 3,920.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.66 : 6,811.83 = 2,840.46 : x
  2. Step 2: Convert to fraction form
    4,935.66/6,811.83 = 2,840.46/x
  3. Step 3: Cross multiply
    4,935.66x = 6,811.83 × 2,840.46
  4. Step 4: Simplify right side
    4,935.66x = 19,348,730.64
  5. Step 5: Solve for x
    x = 19,348,730.64/4,935.66
  6. Step 6: Final answer
    x = 3,920.19

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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.