Home / 4,849.02-7,272.99-1,386

Finding the Fourth Proportional to 4,849.02, 7,272.99 and 1,386

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Solution

The fourth proportional to 4,849.02, 7,272.99 and 1,386 is: 2,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849.02 : 7,272.99 = 1,386 : x
  2. Step 2: Convert to fraction form
    4,849.02/7,272.99 = 1,386/x
  3. Step 3: Cross multiply
    4,849.02x = 7,272.99 × 1,386
  4. Step 4: Simplify right side
    4,849.02x = 10,080,364.14
  5. Step 5: Solve for x
    x = 10,080,364.14/4,849.02
  6. Step 6: Final answer
    x = 2,078.85

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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.