Home / 4,849.94-7,275.28-1,387.46

Finding the Fourth Proportional to 4,849.94, 7,275.28 and 1,387.46

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Solution

The fourth proportional to 4,849.94, 7,275.28 and 1,387.46 is: 2,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849.94 : 7,275.28 = 1,387.46 : x
  2. Step 2: Convert to fraction form
    4,849.94/7,275.28 = 1,387.46/x
  3. Step 3: Cross multiply
    4,849.94x = 7,275.28 × 1,387.46
  4. Step 4: Simplify right side
    4,849.94x = 10,094,159.99
  5. Step 5: Solve for x
    x = 10,094,159.99/4,849.94
  6. Step 6: Final answer
    x = 2,081.30

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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.