Home / 4,390.44-6,565.62-3,280.62

Finding the Fourth Proportional to 4,390.44, 6,565.62 and 3,280.62

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Solution

The fourth proportional to 4,390.44, 6,565.62 and 3,280.62 is: 4,905.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.44 : 6,565.62 = 3,280.62 : x
  2. Step 2: Convert to fraction form
    4,390.44/6,565.62 = 3,280.62/x
  3. Step 3: Cross multiply
    4,390.44x = 6,565.62 × 3,280.62
  4. Step 4: Simplify right side
    4,390.44x = 21,539,304.28
  5. Step 5: Solve for x
    x = 21,539,304.28/4,390.44
  6. Step 6: Final answer
    x = 4,905.96

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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.