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Finding the Fourth Proportional to 5,020.99, 7,530.87 and 1,899.65

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Solution

The fourth proportional to 5,020.99, 7,530.87 and 1,899.65 is: 2,849.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.99 : 7,530.87 = 1,899.65 : x
  2. Step 2: Convert to fraction form
    5,020.99/7,530.87 = 1,899.65/x
  3. Step 3: Cross multiply
    5,020.99x = 7,530.87 × 1,899.65
  4. Step 4: Simplify right side
    5,020.99x = 14,306,043.15
  5. Step 5: Solve for x
    x = 14,306,043.15/5,020.99
  6. Step 6: Final answer
    x = 2,849.25

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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.