Home / 4,599-6,899.34-1,479.48

Finding the Fourth Proportional to 4,599, 6,899.34 and 1,479.48

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Solution

The fourth proportional to 4,599, 6,899.34 and 1,479.48 is: 2,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,599 : 6,899.34 = 1,479.48 : x
  2. Step 2: Convert to fraction form
    4,599/6,899.34 = 1,479.48/x
  3. Step 3: Cross multiply
    4,599x = 6,899.34 × 1,479.48
  4. Step 4: Simplify right side
    4,599x = 10,207,435.54
  5. Step 5: Solve for x
    x = 10,207,435.54/4,599
  6. Step 6: Final answer
    x = 2,219.49

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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.