Home / 4,186.84-6,277.86-1,264.28

Finding the Fourth Proportional to 4,186.84, 6,277.86 and 1,264.28

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Solution

The fourth proportional to 4,186.84, 6,277.86 and 1,264.28 is: 1,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.84 : 6,277.86 = 1,264.28 : x
  2. Step 2: Convert to fraction form
    4,186.84/6,277.86 = 1,264.28/x
  3. Step 3: Cross multiply
    4,186.84x = 6,277.86 × 1,264.28
  4. Step 4: Simplify right side
    4,186.84x = 7,936,972.84
  5. Step 5: Solve for x
    x = 7,936,972.84/4,186.84
  6. Step 6: Final answer
    x = 1,895.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.