Home / 4,178.12-5,765.58-2,852.15

Finding the Fourth Proportional to 4,178.12, 5,765.58 and 2,852.15

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Solution

The fourth proportional to 4,178.12, 5,765.58 and 2,852.15 is: 3,935.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.12 : 5,765.58 = 2,852.15 : x
  2. Step 2: Convert to fraction form
    4,178.12/5,765.58 = 2,852.15/x
  3. Step 3: Cross multiply
    4,178.12x = 5,765.58 × 2,852.15
  4. Step 4: Simplify right side
    4,178.12x = 16,444,270.17
  5. Step 5: Solve for x
    x = 16,444,270.17/4,178.12
  6. Step 6: Final answer
    x = 3,935.81

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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.