Home / 5,127.84-7,076.88-3,555.36

Finding the Fourth Proportional to 5,127.84, 7,076.88 and 3,555.36

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Solution

The fourth proportional to 5,127.84, 7,076.88 and 3,555.36 is: 4,906.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.84 : 7,076.88 = 3,555.36 : x
  2. Step 2: Convert to fraction form
    5,127.84/7,076.88 = 3,555.36/x
  3. Step 3: Cross multiply
    5,127.84x = 7,076.88 × 3,555.36
  4. Step 4: Simplify right side
    5,127.84x = 25,160,856.08
  5. Step 5: Solve for x
    x = 25,160,856.08/5,127.84
  6. Step 6: Final answer
    x = 4,906.72

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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.