Home / 4,274.87-6,407.44-1,808.15

Finding the Fourth Proportional to 4,274.87, 6,407.44 and 1,808.15

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Solution

The fourth proportional to 4,274.87, 6,407.44 and 1,808.15 is: 2,710.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.87 : 6,407.44 = 1,808.15 : x
  2. Step 2: Convert to fraction form
    4,274.87/6,407.44 = 1,808.15/x
  3. Step 3: Cross multiply
    4,274.87x = 6,407.44 × 1,808.15
  4. Step 4: Simplify right side
    4,274.87x = 11,585,576.08
  5. Step 5: Solve for x
    x = 11,585,576.08/4,274.87
  6. Step 6: Final answer
    x = 2,710.16

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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.