Home / 4,260.48-6,390.32-2,068.62

Finding the Fourth Proportional to 4,260.48, 6,390.32 and 2,068.62

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Solution

The fourth proportional to 4,260.48, 6,390.32 and 2,068.62 is: 3,102.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.48 : 6,390.32 = 2,068.62 : x
  2. Step 2: Convert to fraction form
    4,260.48/6,390.32 = 2,068.62/x
  3. Step 3: Cross multiply
    4,260.48x = 6,390.32 × 2,068.62
  4. Step 4: Simplify right side
    4,260.48x = 13,219,133.42
  5. Step 5: Solve for x
    x = 13,219,133.42/4,260.48
  6. Step 6: Final answer
    x = 3,102.73

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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.