Home / 4,943.35-7,412.86-1,479.79

Finding the Fourth Proportional to 4,943.35, 7,412.86 and 1,479.79

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Solution

The fourth proportional to 4,943.35, 7,412.86 and 1,479.79 is: 2,219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.35 : 7,412.86 = 1,479.79 : x
  2. Step 2: Convert to fraction form
    4,943.35/7,412.86 = 1,479.79/x
  3. Step 3: Cross multiply
    4,943.35x = 7,412.86 × 1,479.79
  4. Step 4: Simplify right side
    4,943.35x = 10,969,476.10
  5. Step 5: Solve for x
    x = 10,969,476.10/4,943.35
  6. Step 6: Final answer
    x = 2,219.04

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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.