Home / 4,178.76-6,268.08-1,712.88

Finding the Fourth Proportional to 4,178.76, 6,268.08 and 1,712.88

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Solution

The fourth proportional to 4,178.76, 6,268.08 and 1,712.88 is: 2,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.76 : 6,268.08 = 1,712.88 : x
  2. Step 2: Convert to fraction form
    4,178.76/6,268.08 = 1,712.88/x
  3. Step 3: Cross multiply
    4,178.76x = 6,268.08 × 1,712.88
  4. Step 4: Simplify right side
    4,178.76x = 10,736,468.87
  5. Step 5: Solve for x
    x = 10,736,468.87/4,178.76
  6. Step 6: Final answer
    x = 2,569.30

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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.