Home / 4,277.28-6,415.96-1,355.60

Finding the Fourth Proportional to 4,277.28, 6,415.96 and 1,355.60

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Solution

The fourth proportional to 4,277.28, 6,415.96 and 1,355.60 is: 2,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.28 : 6,415.96 = 1,355.60 : x
  2. Step 2: Convert to fraction form
    4,277.28/6,415.96 = 1,355.60/x
  3. Step 3: Cross multiply
    4,277.28x = 6,415.96 × 1,355.60
  4. Step 4: Simplify right side
    4,277.28x = 8,697,475.38
  5. Step 5: Solve for x
    x = 8,697,475.38/4,277.28
  6. Step 6: Final answer
    x = 2,033.41

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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.