Home / 5,116.84-7,056.26-3,935.40

Finding the Fourth Proportional to 5,116.84, 7,056.26 and 3,935.40

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Solution

The fourth proportional to 5,116.84, 7,056.26 and 3,935.40 is: 5,427.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.84 : 7,056.26 = 3,935.40 : x
  2. Step 2: Convert to fraction form
    5,116.84/7,056.26 = 3,935.40/x
  3. Step 3: Cross multiply
    5,116.84x = 7,056.26 × 3,935.40
  4. Step 4: Simplify right side
    5,116.84x = 27,769,205.60
  5. Step 5: Solve for x
    x = 27,769,205.60/5,116.84
  6. Step 6: Final answer
    x = 5,427.02

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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.