Home / 4,237.31-6,354.69-1,275.62

Finding the Fourth Proportional to 4,237.31, 6,354.69 and 1,275.62

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Solution

The fourth proportional to 4,237.31, 6,354.69 and 1,275.62 is: 1,913.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,237.31 : 6,354.69 = 1,275.62 : x
  2. Step 2: Convert to fraction form
    4,237.31/6,354.69 = 1,275.62/x
  3. Step 3: Cross multiply
    4,237.31x = 6,354.69 × 1,275.62
  4. Step 4: Simplify right side
    4,237.31x = 8,106,137.88
  5. Step 5: Solve for x
    x = 8,106,137.88/4,237.31
  6. Step 6: Final answer
    x = 1,913.04

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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.