Home / 4,989.62-7,487.13-2,069.93

Finding the Fourth Proportional to 4,989.62, 7,487.13 and 2,069.93

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Solution

The fourth proportional to 4,989.62, 7,487.13 and 2,069.93 is: 3,106.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.62 : 7,487.13 = 2,069.93 : x
  2. Step 2: Convert to fraction form
    4,989.62/7,487.13 = 2,069.93/x
  3. Step 3: Cross multiply
    4,989.62x = 7,487.13 × 2,069.93
  4. Step 4: Simplify right side
    4,989.62x = 15,497,835.00
  5. Step 5: Solve for x
    x = 15,497,835.00/4,989.62
  6. Step 6: Final answer
    x = 3,106.02

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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.