Home / 4,282.74-6,424.50-1,685.07

Finding the Fourth Proportional to 4,282.74, 6,424.50 and 1,685.07

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Solution

The fourth proportional to 4,282.74, 6,424.50 and 1,685.07 is: 2,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.74 : 6,424.50 = 1,685.07 : x
  2. Step 2: Convert to fraction form
    4,282.74/6,424.50 = 1,685.07/x
  3. Step 3: Cross multiply
    4,282.74x = 6,424.50 × 1,685.07
  4. Step 4: Simplify right side
    4,282.74x = 10,825,732.22
  5. Step 5: Solve for x
    x = 10,825,732.22/4,282.74
  6. Step 6: Final answer
    x = 2,527.76

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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.