Home / 4,914.28-7,370.60-2,281.68

Finding the Fourth Proportional to 4,914.28, 7,370.60 and 2,281.68

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Solution

The fourth proportional to 4,914.28, 7,370.60 and 2,281.68 is: 3,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.28 : 7,370.60 = 2,281.68 : x
  2. Step 2: Convert to fraction form
    4,914.28/7,370.60 = 2,281.68/x
  3. Step 3: Cross multiply
    4,914.28x = 7,370.60 × 2,281.68
  4. Step 4: Simplify right side
    4,914.28x = 16,817,313.76
  5. Step 5: Solve for x
    x = 16,817,313.76/4,914.28
  6. Step 6: Final answer
    x = 3,422.14

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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.