Home / 4,849.84-7,275.03-1,387

Finding the Fourth Proportional to 4,849.84, 7,275.03 and 1,387

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Solution

The fourth proportional to 4,849.84, 7,275.03 and 1,387 is: 2,080.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849.84 : 7,275.03 = 1,387 : x
  2. Step 2: Convert to fraction form
    4,849.84/7,275.03 = 1,387/x
  3. Step 3: Cross multiply
    4,849.84x = 7,275.03 × 1,387
  4. Step 4: Simplify right side
    4,849.84x = 10,090,466.61
  5. Step 5: Solve for x
    x = 10,090,466.61/4,849.84
  6. Step 6: Final answer
    x = 2,080.58

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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.