Home / 4,186.25-6,275.79-1,719.53

Finding the Fourth Proportional to 4,186.25, 6,275.79 and 1,719.53

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Solution

The fourth proportional to 4,186.25, 6,275.79 and 1,719.53 is: 2,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.25 : 6,275.79 = 1,719.53 : x
  2. Step 2: Convert to fraction form
    4,186.25/6,275.79 = 1,719.53/x
  3. Step 3: Cross multiply
    4,186.25x = 6,275.79 × 1,719.53
  4. Step 4: Simplify right side
    4,186.25x = 10,791,409.18
  5. Step 5: Solve for x
    x = 10,791,409.18/4,186.25
  6. Step 6: Final answer
    x = 2,577.82

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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.