Home / 4,285.71-6,432.21-1,690.47

Finding the Fourth Proportional to 4,285.71, 6,432.21 and 1,690.47

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Solution

The fourth proportional to 4,285.71, 6,432.21 and 1,690.47 is: 2,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.71 : 6,432.21 = 1,690.47 : x
  2. Step 2: Convert to fraction form
    4,285.71/6,432.21 = 1,690.47/x
  3. Step 3: Cross multiply
    4,285.71x = 6,432.21 × 1,690.47
  4. Step 4: Simplify right side
    4,285.71x = 10,873,425.88
  5. Step 5: Solve for x
    x = 10,873,425.88/4,285.71
  6. Step 6: Final answer
    x = 2,537.14

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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.