Home / 4,260.03-6,390.63-1,485.96

Finding the Fourth Proportional to 4,260.03, 6,390.63 and 1,485.96

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Solution

The fourth proportional to 4,260.03, 6,390.63 and 1,485.96 is: 2,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.03 : 6,390.63 = 1,485.96 : x
  2. Step 2: Convert to fraction form
    4,260.03/6,390.63 = 1,485.96/x
  3. Step 3: Cross multiply
    4,260.03x = 6,390.63 × 1,485.96
  4. Step 4: Simplify right side
    4,260.03x = 9,496,220.55
  5. Step 5: Solve for x
    x = 9,496,220.55/4,260.03
  6. Step 6: Final answer
    x = 2,229.14

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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.