Home / 4,430.65-6,645.99-2,089.90

Finding the Fourth Proportional to 4,430.65, 6,645.99 and 2,089.90

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Solution

The fourth proportional to 4,430.65, 6,645.99 and 2,089.90 is: 3,134.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.65 : 6,645.99 = 2,089.90 : x
  2. Step 2: Convert to fraction form
    4,430.65/6,645.99 = 2,089.90/x
  3. Step 3: Cross multiply
    4,430.65x = 6,645.99 × 2,089.90
  4. Step 4: Simplify right side
    4,430.65x = 13,889,454.50
  5. Step 5: Solve for x
    x = 13,889,454.50/4,430.65
  6. Step 6: Final answer
    x = 3,134.86

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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.