Home / 4,288.53-6,428.33-2,203.89

Finding the Fourth Proportional to 4,288.53, 6,428.33 and 2,203.89

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Solution

The fourth proportional to 4,288.53, 6,428.33 and 2,203.89 is: 3,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.53 : 6,428.33 = 2,203.89 : x
  2. Step 2: Convert to fraction form
    4,288.53/6,428.33 = 2,203.89/x
  3. Step 3: Cross multiply
    4,288.53x = 6,428.33 × 2,203.89
  4. Step 4: Simplify right side
    4,288.53x = 14,167,341.50
  5. Step 5: Solve for x
    x = 14,167,341.50/4,288.53
  6. Step 6: Final answer
    x = 3,303.54

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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.