Home / 4,914.47-7,371.72-2,281.64

Finding the Fourth Proportional to 4,914.47, 7,371.72 and 2,281.64

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Solution

The fourth proportional to 4,914.47, 7,371.72 and 2,281.64 is: 3,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.47 : 7,371.72 = 2,281.64 : x
  2. Step 2: Convert to fraction form
    4,914.47/7,371.72 = 2,281.64/x
  3. Step 3: Cross multiply
    4,914.47x = 7,371.72 × 2,281.64
  4. Step 4: Simplify right side
    4,914.47x = 16,819,639.77
  5. Step 5: Solve for x
    x = 16,819,639.77/4,914.47
  6. Step 6: Final answer
    x = 3,422.47

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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.