Home / 4,989.38-7,483.86-1,479.24

Finding the Fourth Proportional to 4,989.38, 7,483.86 and 1,479.24

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Solution

The fourth proportional to 4,989.38, 7,483.86 and 1,479.24 is: 2,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.38 : 7,483.86 = 1,479.24 : x
  2. Step 2: Convert to fraction form
    4,989.38/7,483.86 = 1,479.24/x
  3. Step 3: Cross multiply
    4,989.38x = 7,483.86 × 1,479.24
  4. Step 4: Simplify right side
    4,989.38x = 11,070,425.07
  5. Step 5: Solve for x
    x = 11,070,425.07/4,989.38
  6. Step 6: Final answer
    x = 2,218.80

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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.