Home / 4,988.64-7,484.69-2,217.26

Finding the Fourth Proportional to 4,988.64, 7,484.69 and 2,217.26

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Solution

The fourth proportional to 4,988.64, 7,484.69 and 2,217.26 is: 3,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.64 : 7,484.69 = 2,217.26 : x
  2. Step 2: Convert to fraction form
    4,988.64/7,484.69 = 2,217.26/x
  3. Step 3: Cross multiply
    4,988.64x = 7,484.69 × 2,217.26
  4. Step 4: Simplify right side
    4,988.64x = 16,595,473.43
  5. Step 5: Solve for x
    x = 16,595,473.43/4,988.64
  6. Step 6: Final answer
    x = 3,326.65

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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.