Home / 4,889.48-7,335.30-1,427

Finding the Fourth Proportional to 4,889.48, 7,335.30 and 1,427

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Solution

The fourth proportional to 4,889.48, 7,335.30 and 1,427 is: 2,140.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.48 : 7,335.30 = 1,427 : x
  2. Step 2: Convert to fraction form
    4,889.48/7,335.30 = 1,427/x
  3. Step 3: Cross multiply
    4,889.48x = 7,335.30 × 1,427
  4. Step 4: Simplify right side
    4,889.48x = 10,467,473.10
  5. Step 5: Solve for x
    x = 10,467,473.10/4,889.48
  6. Step 6: Final answer
    x = 2,140.82

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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.